| Name | Country | Period | Commission | Portoflio actual name |
1 | Sicco Mansholt | Netherlands | 1958–1972 | Hallstein Commission I & II, Rey Commission, Malfatti Commission | Agriculture |
2 | Carlo Scarascia-Mugnozza | Italy | 1972–1973 | Mansholt Commission | Agriculture |
3 | Pierre Lardinois | Netherlands | 1973–1977 | Ortoli Commission | Agriculture |
4 | Finn Olav Gundelach | Denmark | 1977–1981 | Jenkins Commission | Agriculture-Fisheries |
4 | Finn Olav Gundelach | Denmark | 1981–1985 | Thorn Commission | Agriculture |
5 | Poul Dalsager | Denmark | 1981–1985 | Thorn Commission | Agriculture |
6 | Frans Andriessen | Netherlands | 1985–1989 | Delors Commission I | Agriculture and Rural Development |
7 | Ray MacSharry | Ireland | 1989–1992 | Delors Commission II | Agriculture and Rural Development |
8 | René Steichen | Luxembourg | 1992–1995 | Delors Commission III | Agriculture and Rural Development |
9 | Franz Fischler | Austria | 1995–1999 | Santer Commission | Agriculture and Rural Development |
9 | Franz Fischler | Austria | 1999–2004 | Prodi Commission | Agriculture and Fisheries |
10 | Sandra Kalniete | Latvia | 2004 | Prodi Commission | Agriculture and Fisheries |
11 | Mariann Fischer Boel | Denmark | 2004–2010 | Barroso Commission I | Agriculture and Rural Development |
12 | Dacian Cioloş | Romania | 2010–2014 | Barroso Commission II | Agriculture and Rural Development |
13 | Phil Hogan | Ireland | 2014–2019 | Juncker Commission | Agriculture and Rural Development |
14 | Janusz Wojciechowski | Poland | nominated | Von der Leyen Commission | Agriculture |
| Name | Country | Period | Commission | Portoflio actual name |
1 | Hans von der Groeben | West Germany | 1958–1967 | Hallstein Commission I & II | Competition |
2 | Maan Sassen | Netherlands | 1967–1971 | Rey Commission | Competition |
3 | Albert Borschette | Luxembourg | 1970–1973 | Malfatti Commission, Mansholt Commission | Competition and Regional Policy |
3 | Albert Borschette | Luxembourg | 1973–1977 | Ortoli Commission | Competition |
4 | Raymond Vouel | Luxembourg | 1976–1981 | Jenkins Commission | Competition |
5 | Frans Andriessen | Netherlands | 1981–1985 | Thorn Commission | Parliamentary Relations and Competition |
6 | Peter Sutherland | Ireland | 1985–1989 | Delors Commission I | Competition, social affairs and education |
7 | Sir Leon Brittan | United Kingdom | 1989–1992 | Delors Commission II | Competition and financial institutions |
8 | Karel Van Miert | Belgium | 1993–1999 | Delors Commission III, Santer Commission | Competition |
9 | Mario Monti | Italy | 1999–2004 | Prodi Commission | Competition |
10 | Neelie Kroes | Netherlands | 2004–2010 | Barroso Commission I | Competition |
11 | Joaquín Almunia | Spain | 2010–2014 | Barroso Commission II | Competition |
12 | Margrethe Vestager | Denmark | 2014 onwards | Juncker Commission, Von der Leyen Commission | Competition |
| Name | Country | Period | Commission | Portoflio actual name |
1 | Robert Lemaignen | France | 1958–1962 | Hallstein Commission I | Overseas Development |
2 | Henri Rochereau | France | 1962–1967 | Hallstein Commission II | Overseas Development |
2 | Henri Rochereau | France | 1967–1970 | Rey Commission | Development Assistance |
3 | Jean-François Deniau | France | 1967–1970 | Rey Commission | Foreign Trade, Enlargement and Assistance to developing countries |
3 | Jean-François Deniau | France | 1970–1972 | Malfatti Commission | External Relations and Development Aid |
3 | Jean-François Deniau | France | 1972–1973 | Mansholt Commission | Foreign Affairs and Development Aid |
3 | Jean-François Deniau | France | 1973 | Ortoli Commission | Development cooperation |
4 | Claude Cheysson | France | 1973–1981 | Ortoli Commission, Jenkins Commission | Development |
4 | Claude Cheysson | France | 1981 | Thorn Commission | Development |
5 | Edgard Pisani | France | 1981–1984 | Thorn Commission | Development |
6 | Lorenzo Natali | Italy | 1985–1989 | Delors Commission I | Cooperation, development affairs and enlargement |
7 | Filippo Maria Pandolfi | Italy | 1989–1993 | Delors Commission II | Science, research, development, telecommunications and innovation |
7 | Manuel Marin | Spain | 1989–1992 | Delors Commission II | Cooperation, development and fisheries |
7 | Manuel Marin | Spain | 1993–1994 | Delors Commission III | Cooperation, development and humanitarian aid |
8 | João de Deus Pinheiro | Portugal | 1995–1999 | Santer Commission | Relations with African, Caribbean, Pacific Countries, South Africa and the Lomé Convention |
9 | Poul Nielson | Denmark | 1999–2004 | Prodi Commission | Development and Humanitarian Aid |
10 | Joe Borg | Malta | 2004 | Prodi Commission | Development and Humanitarian Aid |
11 | Benita Ferrero-Waldner | Austria | 2004–2010 | Barroso Commission I | External Relations and European Neighbourhood Policy |
12 | Louis Michel | Belgium | 2004–2009 | Barroso Commission I | Development and Humanitarian Aid |
13 | Karel De Gucht | Belgium | 2009–2010 | Barroso Commission I | Development and Humanitarian Aid |
14 | Andris Piebalgs | Latvia | 2010–2014 | Barroso Commission II | Development |
15 | Neven Mimica | Croatia | 2014–2019 | Juncker Commission | International Cooperation and Development |
16 | Jutta Urpilainen | Finland | nominated | Von der Leyen Commission | International Partnerhips |
| Name | Country | Period | Commission | Portoflio actual name |
1 | Fritz Hellwig | Germany | 1967–1970 | Rey Commission | Research and Technology, Distribution of Information and Joint Research Centre |
2 | Lorenzo Natali | Italy | 1981–1985 | Thorn Commission | Mediterranean Policy, Enlargement and Information |
3 | Karl-Heinz Narjes | Germany | 1985–1988 | Delors Commission I | Industry, information technology and science and research |
4 | Carlo Ripa di Meana | Italy | 1985–1988 | Delors Commission I | Institutional reforms, information policy, culture and tourism |
5 | Filippo Maria Pandolfi | Italy | 1989–1993 | Delors Commission II | Science, research, development, telecommunications and innovation |
6 | Martin Bangemann | Germany | 1993–1994 | Delors Commission III | Internal market, industrial affairs and ICT |
7 | Antonio Ruberti | Italy | 1993–1994 | Delors Commission III | Science, research, technological development and education |
| Martin Bangemann | Germany | 1995–1999 | Santer Commission | Industrial affairs, Information and Telecommunications Technologies |
8 | Marcelino Oreja | Spain | 1995–1999 | Santer Commission | Relations with the European Parliament, Culture, Audiovisual Policy |
9 | Erkki Liikanen | Finland | 1999–2004 | Prodi Commission | Enterprise and Information Society |
10 | Olli Rehn | Finland | 2004 | Prodi Commission | Enterprise and Information Society |
11 | Ján Figeľ | Slovakia | 2004 | Prodi Commission | Enterprise and Information Society |
12 | Viviane Reding | Luxembourg | 2004–2010 | Barroso Commission I | Information Society and Media |
13 | Neelie Kroes | Netherlands | 2010–2014 | Barroso Commission II | Digital Agenda |
14 | Andrus Ansip | Estonia | 2014–2019 | Juncker Commission | Digital Single Market |
15 | Maroš Šefčovič | Slovakia | 2019 | Juncker Commission | Digital Single Market |
16 | Margrethe Vestager | Denmark | nominated | Von der Leyen Commission | Europe Fit for Digital Age |
| Name | Country | Period | Commission | Portoflio actual name |
1 | Robert Marjolin | France | 1958–1967 | Hallstein Commission I & II | Economics and Finance |
2 | Raymond Barre | France | 1967–1970 | Rey Commission | Economic and Finance, Statistical Office |
2 | Raymond Barre | France | 1970–1972 | Malfatti Commission, Mansholt Commission | Economic & Financial Affairs |
3 | Wilhelm Haferkamp | West Germany | 1973–1977 | Ortoli Commission | Economic and Finance, Credit and Investments |
3 | Henri François Simonet | Belgium | 1973–1977 | Ortoli Commission | Taxation, Energy |
3 | Finn Olav Gundelach | Denmark | 1973–1977 | Ortoli Commission | Internal Market, Customs Union |
4 | Richard Burke | Ireland | 1977–1981 | Jenkins Commission | Taxation, Consumer Affairs, Transport |
4 | Étienne Davignon | Belgium | 1977–1981 | Jenkins Commission | Internal Market, Customs Union, Industrial Affairs |
4 | François-Xavier Ortoli | France | 1977–1985 | Jenkins Commission | Economic and Financial Credit and Investments |
4 | François-Xavier Ortoli | France | 1977–1985 | Thorn Commission | Economic and Financial Credit and Investments |
5 | Christopher Tugendhat | United Kingdom | 1981–1985 | Thorn Commission | Budget and Financial Control, Financial Institutions and Taxation |
5 | Karl-Heinz Narjes | Germany | 1981–1985 | Thorn Commission | Internal Market, Industrial Innovation, Customs Union, the Environment, Consumer Protection and Nuclear Safety |
5 | Lord Cockfield | United Kingdom | 1985–1989 | Delors Commission I | Internal market, tax law and customs |
6 | Henning Christophersen | Denmark | 1985–1989 | Delors Commission I | Budget, financial control, personnel and administration |
6 | Henning Christophersen | Denmark | 1989–1992 | Delors Commission II | Economic & financial affairs and coordination of structural funds |
7 | Christiane Scrivener | France | 1989–1992 | Delors Commission II | Taxation and customs union |
| Henning Christophersen | Denmark | 1992–1994 | Delors Commission III | Economic and Financial Affairs |
| Christiane Scrivener | France | 1992–1994 | Delors Commission III | Taxation, customs union and consumer policies |
8 | Yves-Thibault de Silguy | France | 1995–1999 | Santer Commission | Economic and Financial Affairs |
8 | Mario Monti | Italy | 1995–1999 | Santer Commission | Internal Market, Services Customs and Taxation |
9 | Pedro Solbes | Spain | 1999–2004 | Prodi Commission | Economic and Monetary Affairs |
10 | Joaquín Almunia | Spain | 2004 | Prodi Commission | Economic and Monetary Affairs |
11 | Siim Kallas | Estonia | 2004 | Prodi Commission | Economic and Monetary Affairs |
12 | Joaquín Almunia | Spain | 2004–2010 | Barroso Commission I | Economic and Financial Affairs |
12 | László Kovács | Hungary | 2004–2010 | Barroso Commission I | Taxation and Customs Union |
13 | Olli Rehn | Finland | 2010–2014 | Barroso Commission II | Economic and Monetary Affairs and the Euro |
14 | Jyrki Katainen | Finland | 2014 | Barroso Commission II | Economic and Monetary Affairs and the Euro |
15 | Algirdas Šemeta | Lithuania | 2010–2014 | Barroso Commission II | Taxation and Customs Union, Audit and Anti-Fraud |
16 | Pierre Moscovici | France | 2014–2019 | Juncker Commission | Economic and Financial Affairs, Taxation and Customs |
17 | Paolo Gentiloni | Italy | nominated | Von der Leyen Commission | Economy |
17 | Valdis Dombrovskis | Latvia | nominated | Von der Leyen Commission | Economy that Works for People |
| Name | Country | Period | Commission | Portoflio actual name |
1 | Carlo Ripa di Meana | Italy | 1985–1989 | Delors Commission I | Institutional reforms, information policy, culture and tourism |
2 | Jean Dondelinger | Luxembourg | 1989–1992 | Delors Commission II | Audiovisual and cultural affairs |
3 | Antonio Ruberti | Italy | 1993–1994 | Delors Commission III | Science, research, technological development and education |
3 | João de Deus Pinheiro | Portugal | 1993–1994 | Delors Commission III | Relations with Parliament, culture and audiovisual |
4 | Marcelino Oreja | Spain | 1995–1999 | Santer Commission | Relations with the European Parliament, Culture, Audiovisual Policy |
5 | Viviane Reding | Luxembourg | 1999–2004 | Prodi Commission | Education and Culture |
6 | Dalia Grybauskaitė | Lithuania | 2004 | Prodi Commission | Education and Culture |
7 | Ján Figeľ | Slovakia | 2004–2009 | Barroso Commission I | Education, Training and Culture |
8 | Maroš Šefčovič | Slovakia | 2009–2010 | Barroso Commission I | Education, Training and Culture |
7 | Leonard Orban | Romania | 2004–2010 | Barroso Commission I | Multilingualism |
8 | Androulla Vassiliou | Cyprus | 2010–2014 | Barroso Commission II | Education, Culture, Multilingualism and Youth |
9 | Tibor Navracsics | Hungary | 2014–2019 | Juncker Commission | Education, Culture, Youth and Sport |
10 | Mariya Gabriel | Bulgaria | nominated | Von der Leyen Commission | Innovation and Youth |
| Name | Country | Period | Commission | Portoflio actual name |
| Lionello Levi Sandri | Italy | 1967–1972 | Rey Commission | |
| Albert Coppé | Belgium | 1972–1973 | Malfatti Commission, Mansholt Commission | |
| Patrick Hillery | Ireland | 1973–1977 | Ortoli Commission | |
| Henk Vredeling | Netherlands | 1977–1981 | Jenkins Commission | Employment and Social Affairs |
| Ivor Richard | United Kingdom | 1981–1985 | Thorn Commission | Employment and Social Affairs |
| Alois Pfeiffer | West Germany | 1985–1987 | Delors Commission I | Economic affairs and employment |
| Peter Schmidhuber | West Germany | 1987–1989 | Delors Commission I | Economic affairs and employment |
| Peter Sutherland | Ireland | 1985–1989 | Delors Commission I | Competition, social affairs and education |
| Manuel Marin | Spain | 1986–1989 | Delors Commission I | Competition, social affairs and education |
| Vasso Papandreou | Greece | 1989–1992 | Delors Commission II | Employment, industrial relations and social affairs |
| Pádraig Flynn | Ireland | 1993–1994 | Delors Commission III | Social affairs and employment |
| Pádraig Flynn | Ireland | 1994–1994 | Santer Commission | Employment and Social Affairs and relations with the EESC |
| Anna Diamantopoulou | Greece | 1999–2004 | Prodi Commission | Employment and Social Affairs |
| Stavros Dimas | Greece | 2004 | Prodi Commission | Employment and Social Affairs |
| Vladimír Špidla | Czech Republic | 2004–2010 | Barroso Commission I | Employment, Social Affairs and Equal Opportunities |
| László Andor | Hungary | 2010–2014 | Barroso Commission II | Employment, Social Affairs and Inclusion |
| Marianne Thyssen | Belgium | 2014–2019 | Juncker Commission | Employment, Social Affairs, Skills and Labour Mobility |
| Nicolas Schmit | Luxembourg | nominated | Von der Leyen Commission | Jobs |
| Name | Country | Period | Commission | Portoflio actual name |
| Wilhelm Haferkamp | West Germany | 1967–1973 | Rey Commission, Malfatti Commission, Mansholt Commission | |
| Henri François Simonet | Belgium | 1973–1977 | Ortoli Commission | |
| Guido Brunner | West Germany | 1977–1981 | Jenkins Commission | Energy, Research, Science |
| Étienne Davignon | Belgium | 1981–1985 | Thorn Commission | Industrial Affairs, Energy, Research and Science |
| Nicolas Mosar | Luxembourg | 1985–1989 | Delors Commission I | Energy & Euratom |
| Antonio Cardoso e Cunha | Portugal | 1989–1993 | Delors Commission II | Energy, Euratom, small businesses; staff and translation |
| Marcelino Oreja | Spain | 1993–1994 | Delors Commission III | Transport and energy |
| Abel Matutes | Spain | 1994–1995 | Delors Commission III | Transport and energy |
| Christos Papoutsis | Greece | 1995–1999 | Santer Commission | Energy, Euratom Supply Agency, SMEs and Tourism |
| Loyola de Palacio | Spain | 1999–2004 | Prodi Commission | Inter-Institutional Relations and Administration, Transport and Energy |
| Andris Piebalgs | Latvia | 2004–2010 | Barroso Commission I | Energy |
| Günther Oettinger | Germany | 2010–2014 | Barroso Commission II | Energy |
| Miguel Arias Cañete | Spain | 2014–2019 | Juncker Commission | Climate Action and Energy |
| Maroš Šefčovič | Slovakia | 2014–2019 | Juncker Commission | Energy Union |
| Kadri Simson | Estonia | nominated | Von der Leyen Commission | Energy |
| Name | Country | Period | Commission | Portoflio actual name |
| Lorenzo Natali | Italy | 1977–1981 | Jenkins Commission | Enlargement, Environment, Nuclear Safety |
| Wilhelm Haferkamp | Germany | 1977–1981 | Jenkins Commission | External Relations |
| Wilhelm Haferkamp | Germany | 1981–1985 | Thorn Commission | External Relations |
| Lorenzo Natali | Italy | 1981–1985 | Thorn Commission | Mediterranean Policy, Enlargement and Information |
| Lorenzo Natali | Italy | 1985–1989 | Delors Commission I | Cooperation, development affairs and enlargement |
| Claude Cheysson | France | 1985–1989 | Delors Commission I | Mediterranean policy and north–south relations |
| Willy De Clercq | Belgium | 1985–1989 | Delors Commission I | External relations and trade policy |
| Frans Andriessen | Netherlands | 1989–1992 | Delors Commission II | External relations and trade policy |
| Abel Matutes | Spain | 1989–1992 | Delors Commission II | Mediterranean and Latin American policy |
| Hans van den Broek | Netherlands | 1993–1994 | Delors Commission III | External relations and enlargement |
| Leon Brittan | United Kingdom | 1995–1999 | Santer Commission | Commercial Policy and External Relations |
| Manuel Marin | Spain | 1995–1999 | Santer Commission | External Relations |
| João de Deus Pinheiro | Portugal | 1995–1999 | Santer Commission | Relations with African, Caribbean, Pacific Countries |
| Hans van den Broek | Netherlands | 1995–1999 | Santer Commission | Relations with central and eastern Europe, CFSP and the External Service, South Africa and the Lomé Convention |
| Chris Patten | United Kingdom | 1999–2004 | Prodi Commission | External Relations |
| Günter Verheugen | Germany | 1999–2004 | Prodi Commission | Enlargement |
| Janez Potočnik | Slovenia | 2004 | Prodi Commission | Enlargement |
| Olli Rehn | Finland | 2004–2010 | Barroso Commission I | Enlargement |
| Benita Ferrero-Waldner | Austria | 2004–2010 | Barroso Commission I | External Relations and European Neighbourhood Policy |
| Štefan Füle | Czech Republic | 2010–2014 | Barroso Commission II | Enlargement and European Neighbourhood Policy |
| Johannes Hahn | Austria | 2014 onwards | Juncker Commission | European Neighbourhood Policy and Enlargement Negotiations |
| | | | Von der Leyen Commission | Neighbourhood and Enlargement |
| Name | Country | Period | Commission | Portoflio actual name |
| Lorenzo Natali | Italy | 1977–1981 | Jenkins Commission | Enlargement, Environment, Nuclear Safety |
| Karl-Heinz Narjes | Germany | 1981–1985 | Thorn Commission | Internal Market, Industrial Innovation, Customs Union, the Environment, Consumer Protection and Nuclear Safety |
| Stanley Clinton Davis | United Kingdom | 1985–1989 | Delors Commission I | Environment, consumer protection and transport |
| Carlo Ripa di Meana | Italy | 1989–1993 | Delors Commission II | Environment, nuclear safety and civil protection |
| Ioannis Paleokrassas | Greece | 1993–1995 | Delors Commission III | Environment, fisheries |
| Ritt Bjerregaard | Denmark | 1995–1999 | Santer Commission | Environment and nuclear security |
| Margot Wallström | Sweden | 1999–2004 | Prodi Commission | Environment |
| Stavros Dimas | Greece | 2004–2010 | Barroso Commission I | Environment |
| Janez Potočnik | Slovenia | 2010–2014 | Barroso Commission II | Environment |
| Karmenu Vella | Malta | 2014–2019 | Juncker Commission | Environment, Maritime Affairs and Fisheries |
| Virginijus Sinkevičius | Lithuania | nominated | Von der Leyen Commission | Environment and Oceans |
| Name | Country | Period | Commission | Portoflio actual name |
| Albert Coppé | Belgium | 1967–1973 | Malfatti Commission, Mansholt Commission | |
| Wilhelm Haferkamp | Germany | 1973–1977 | Ortoli Commission | |
| Christopher Tugendhat | United Kingdom | 1977–1981 | Jenkins Commission | Budget and Financial Control, Financial Institutions |
| Christopher Tugendhat | United Kingdom | 1981–1985 | Thorn Commission | Budget and Financial Control, Financial Institutions and Taxation |
| Michael O'Kennedy | Ireland | 1981–1982 | Thorn Commission | Personnel and Administration |
| Richard Burke | Ireland | 1982–1985 | Thorn Commission | Personnel and Administration |
| Henning Christophersen | Denmark | 1985–1989 | Delors Commission I | Budget, financial control, personnel and administration |
| Antonio Cardoso e Cunha | Portugal | 1989–1993 | Delors Commission II | Energy, Euratom, small businesses; staff and translation |
| Peter Schmidhuber | Germany | 1989–1993 | Delors Commission II | Budget |
| Peter Schmidhuber | Germany | 1993–1995 | Delors Commission III | Budget, financial control and the cohesion fund |
| Erkki Liikanen | Finland | 1995–1999 | Santer Commission | Budget, Personnel and Administration |
| Michaele Schreyer | Germany | 1999–2004 | Prodi Commission | Budget |
| Marcos Kyprianou | Cyprus | 2004 | Prodi Commission | Budget |
| Dalia Grybauskaitė | Lithuania | 2004–2009 | Barroso Commission I | Financial Programming and the Budget |
| Algirdas Šemeta | Lithuania | 2009–2010 | Barroso Commission I | Financial Programming and the Budget |
| Janusz Lewandowski | Poland | 2010–2014 | Barroso Commission II | Financial Programming and the Budget |
| Jacek Dominik | Poland | 2014 | Barroso Commission II | Financial Programming and the Budget |
| Maroš Šefčovič | Slovakia | 2010–2014 | Barroso Commission II | Inter-Institutional Relations and Administration |
| Kristalina Georgieva | Bulgaria | 2014–2016 | Juncker Commission | Budget and Human Resources |
| Günther Oettinger | Germany | 2017–2019 | Juncker Commission | Budget and Human Resources |
| Johannes Hahn | Austria | nominated | Von der Leyen Commission | Budget and Administration |
| Name | Country | Period | Commission | Portoflio actual name |
| Christopher Tugendhat | United Kingdom | 1977–1981 | Jenkins Commission | Budget and Financial Control, Financial Institutions |
| Christopher Tugendhat | United Kingdom | 1981–1985 | Thorn Commission | Budget and Financial Control, Financial Institutions and Taxation |
| Henning Christophersen | Denmark | 1985–1989 | Delors Commission I | Budget, financial control, personnel and administration |
| Abel Matutes | Spain | 1986–1989 | Delors Commission I | Credit, investments, financial instruments and small & medium-sized enterprises |
| Sir Leon Brittan | United Kingdom | 1989–1992 | Delors Commission II | Competition and financial institutions |
| Peter Schmidhuber | Germany | 1993–1994 | Delors Commission III | Budget, financial control and the cohesion fund |
| Anita Gradin | Sweden | 1995–1999 | Santer Commission | Immigration, Justice & Home Affairs, Financial Control, Anti-fraud and Relations with the European Ombudsman. |
| Jonathan Hill | United Kingdom | 2014–2016 | Juncker Commission | Financial Stability, Financial Services and Capital Markets Union |
| Valdis Dombrovskis | Latvia | 2016–2019 | Juncker Commission | Euro and Social Dialogue and Financial Stability, Financial Services and Capital Markets Union |
| Valdis Dombrovskis | Latvia | nominated | Von der Leyen Commission | Financial Markets |
| Name | Country | Period | Commission | Portoflio actual name |
| Richard Burke | Ireland | 1977–1981 | Jenkins Commission | Taxation, Consumer Affairs, Transport |
| Karl-Heinz Narjes | Germany | 1981–1985 | Thorn Commission | Internal Market, Industrial Innovation, Customs Union, the Environment, Consumer Protection and Nuclear Safety |
| Stanley Clinton Davis | United Kingdom | 1985–1989 | Delors Commission I | Environment, consumer protection and transport |
| Grigoris Varfis | Greece | 1986–1989 | Delors Commission I | Relations with the European Parliament, regional policy and consumer protection |
| Karel Van Miert | Belgium | 1989–1992 | Delors Commission II | Transport and consumer protection |
| Christiane Scrivener | France | 1992–1994 | Delors Commission III | Taxation, customs union and consumer policies |
| Emma Bonino | Italy | 1995–1999 | Santer Commission | Consumer Policy, Fisheries and ECHO |
| David Byrne | Ireland | 1999–2004 | Prodi Commission | Health and Consumer Protection |
| Pavel Telička | Czech Republic | 2004 | Prodi Commission | Health and Consumer Protection |
| Markos Kyprianou | Cyprus | 2004–2008 | Barroso Commission I | Health |
| Androulla Vassiliou | Cyprus | 2008–2010 | Barroso Commission I | Health |
| Meglena Kuneva | Bulgaria | 2007–2010 | Barroso Commission I | Consumer Protection |
| John Dalli | Malta | 2010–2012 | Barroso Commission II | Health and Consumer Policy |
| Tonio Borg | Malta | 2012–2014 | Barroso Commission II | Health |
| Neven Mimica | Croatia | 2013–2014 | Barroso Commission II | Consumer Protection |
| Vytenis Andriukaitis | Lithuania | 2014–2019 | Juncker Commission | Health and Food Safety |
| Věra Jourová | Czech Republic | 2014–2019 | Juncker Commission | Justice and Consumers |
| Stella Kyriakidou | Cyprus | nominated | Von der Leyen Commission | Health |
| Didier Reynders | Belgium | nominated | Von der Leyen Commission | Justice |
| Name | Country | Period | Commission | Portoflio actual name |
| Anita Gradin | Sweden | 1995–1999 | Santer Commission | Immigration, Justice & Home Affairs, Financial Control, Anti-fraud and Relations with the European Ombudsman. |
| António Vitorino | Portugal | 1999–2004 | Prodi Commission | Justice and Home Affairs |
| Franco Frattini | Italy | 2004-2008 | Barroso Commission I | Justice, Freedom and Security |
| Jacques Barrot | France | 2008-2009 | Barroso Commission I | Justice, Freedom and Security |
| Cecilia Malmström | Sweden | 2010–2014 | Barroso Commission II | Home Affairs |
| Viviane Reding | Luxembourg | 2010–2014 | Barroso Commission II | Justice, Fundamental Rights and Citizenship |
| Martine Reicherts | Luxembourg | 2014 | Barroso Commission II | Justice, Fundamental Rights and Citizenship |
| Dimitris Avramopoulos | Greece | 2014–2019 | Juncker Commission | Migration, Home Affairs and Citizenship |
| Margaritis Schinas | Greece | 2019– | Von der Leyen Commission | Protecting our European Way of Life |
| Ylva Johansson | Sweden | 2019– | Von der Leyen Commission | Home Affairs |
| Name | Country | Period | Commission | Portoflio actual name |
| Étienne Davignon | Belgium | 1977–1981 | Jenkins Commission | Internal Market, Customs Union, Industrial Affairs |
| Étienne Davignon | Belgium | 1981–1985 | Thorn Commission | Industrial Affairs, Energy, Research and Science |
| Karl-Heinz Narjes | Germany | 1981–1985 | Thorn Commission | Internal Market, Industrial Innovation, Customs Union, the Environment, Consumer Protection and Nuclear Safety |
| Karl-Heinz Narjes | Germany | 1985–1989 | Delors Commission I | Industry, information technology and science and research |
| Abel Matutes | Spain | 1986–1989 | Delors Commission I | Credit, investments, financial instruments and small & medium-sized enterprises |
| Martin Bangemann | Germany | 1989–1992 | Delors Commission II | Internal market and industrial affairs |
| Antonio Cardoso e Cunha | Portugal | 1989–1992 | Delors Commission II | Energy, Euratom, small businesses; staff and translation |
| Vasso Papandreou | Greece | 1989–1992 | Delors Commission II | Employment, industrial relations and social affairs |
| Martin Bangemann | Germany | 1993–1994 | Delors Commission III | Internal market, industrial affairs and ICT |
| Raniero Vanni d'Archirafi | Italy | 1993–1994 | Delors Commission III | Institutional reform, internal market and enterprise |
| Martin Bangemann | Germany | 1995–1999 | Santer Commission | Industrial affairs, Information & Telecommunications Technologies |
| Christos Papoutsis | Greece | 1995–1999 | Santer Commission | Energy, Euratom Supply Agency, SMEs and Tourism |
| Erkki Liikanen | Finland | 1999–2004 | Prodi Commission | Enterprise and Information Society |
| Olli Rehn | Finland | 2004 | Prodi Commission | Enterprise and Information Society |
| Ján Figeľ | Slovakia | 2004 | Prodi Commission | Enterprise and Information Society |
| Günter Verheugen | Germany | 2004–2010 | Barroso Commission I | Enterprise and Industry |
| Antonio Tajani | Italy | 2010–2014 | Barroso Commission II | Industry and Entrepreneurship |
| Ferdinando Nelli Feroci | Italy | 2014 | Barroso Commission II | Industry and Entrepreneurship |
| Elżbieta Bieńkowska | Poland | 2014 onwards | Juncker Commission | Internal Market, Industry, Entrepreneurship and SMEs |
| Sylvie Goulard | France | nominated | Von der Leyen Commission | Internal Market |
| Name | Country | Period | Commission | Portoflio actual name |
| Piero Malvestiti | Italy | 1958–1959 | Hallstein Commission I | |
| Giuseppe Caron | Italy | 1959–1963 | Hallstein Commission I & II | |
| Guido Colonna di Paliano | Italy | 1964–1967 | Hallstein Commission II | |
| Hans von der Groeben | West Germany | 1967–1970 | Rey Commission | |
| Wilhelm Haferkamp | West Germany | 1970–1973 | Malfatti Commission, Mansholt Commission | |
| Finn Olav Gundelach | Denmark | 1973–1977 | Ortoli Commission | |
| Étienne Davignon | Belgium | 1977–1981 | Jenkins Commission | Internal Market, Customs Union, Industrial Affairs |
| Karl-Heinz Narjes | Germany | 1981–1985 | Thorn Commission | Internal Market, Industrial Innovation, Customs Union, the Environment, Consumer Protection and Nuclear Safety |
| Lord Cockfield | United Kingdom | 1985–1989 | Delors Commission I | Internal market, tax law and customs |
| Martin Bangemann | Germany | 1989–1992 | Delors Commission II | Internal market and industrial affairs |
| Martin Bangemann | Germany | 1993–1994 | Delors Commission III | Internal market, industrial affairs and ICT |
| Raniero Vanni d'Archirafi | Italy | 1993–1994 | Delors Commission III | Institutional reform, internal market and enterprise |
| Mario Monti | Italy | 1994–1999 | Santer Commission | Internal Market, Services, Customs and Taxation |
| Frits Bolkestein | Netherlands | 1999–2004 | Prodi Commission | Internal Market |
| Charlie McCreevy | Ireland | 2004–2010 | Barroso Commission I | Internal Market and Services |
| Michel Barnier | France | 2010–2014 | Barroso Commission II | Internal Market and Services |
| Elżbieta Bieńkowska | Poland | 2014 | Juncker Commission | Internal Market, Industry, Entrepreneurship and SMEs |
| Sylvie Goulard | France | nominated | Von der Leyen Commission | Internal Market |
| Name | Country | Period | Commission | Portoflio actual name |
| Robert Lemaignen | France | 1958–1962 | Hallstein Commission | |
| Henri Rochereau | France | 1962–1970 | Hallstein Commission, Rey Commission | |
| Jean-François Deniau | France | 1967–1973 | Rey Commission, Malfatti Commission, Mansholt Commission | |
| Claude Cheysson | France | 1973–1981 | Ortoli Commission, Jenkins Commission, Thorn Commission | |
| Edgard Pisani | France | 1981–1985 | Thorn Commission | |
| Lorenzo Natali | Italy | 1985–1989 | Delors Commission I | Cooperation, development affairs and enlargement |
| Carlo Ripa di Meana | Italy | 1989–1992 | Delors Commission II | Environment, nuclear safety and civil protection |
| Manuel Marin | Spain | 1989–1992 | Delors Commission II | Cooperation, development and fisheries |
| Manuel Marin | Spain | 1992–1994 | Delors Commission III | Cooperation, development and humanitarian aid |
| João de Deus Pinheiro | Portugal | 1995–1999 | Santer Commission | Relations with African, Caribbean, Pacific Countries, South Africa and the Lomé Convention |
| Emma Bonino | Italy | 1995–1999 | Santer Commission | Consumer Policy, Fisheries and ECHO |
| Poul Nielson | Denmark | 1999–2004 | Prodi Commission | Development and Humanitarian Aid |
| Joe Borg | Malta | 2004 | Prodi Commission | Development and Humanitarian Aid |
| Benita Ferrero-Waldner | Austria | 2004–2010 | Barroso Commission I | External Relations and European Neighbourhood Policy |
| Louis Michel | Belgium | 2004–2009 | Barroso Commission I | Development and Humanitarian Aid |
| Karel De Gucht | Belgium | 2009–2010 | Barroso Commission I | Development and Humanitarian Aid |
| Kristalina Georgieva | Bulgaria | 2010–2014 | Barroso Commission II | International Cooperation, Humanitarian Aid and Crisis Response |
| Christos Stylianides | Cyprus | 2014 onwards | Juncker Commission | Humanitarian Aid and Crisis Management |
| Jutta Urpilainen | Finland | nominated | Von der Leyen Commission | International Partnerships |
| Janez Lenarčič | Slovenia | nominated | Von der Leyen Commission | Crisis Management |
| Name | Country | Period | Commission | Portoflio actual name |
| Frans Andriessen | Netherlands | 1981–1985 | Thorn Commission | Parliamentary Relations and Competition |
| Michael O'Kennedy | Ireland | 1981–1982 | Thorn Commission | Personnel and Administration |
| Richard Burke | Ireland | 1982–1985 | Thorn Commission | Personnel and Administration |
| Henning Christophersen | Denmark | 1985–1988 | Delors Commission I | Budget, financial control, personnel and administration |
| Grigoris Varfis | Greece | 1986–1988 | Delors Commission I | Relations with the European Parliament, regional policy and consumer protection |
| Antonio Cardoso e Cunha | Portugal | 1989–1993 | Delors Commission II | Energy, Euratom, small businesses; staff and translation |
| João de Deus Pinheiro | Portugal | 1993–1994 | Delors Commission III | Relations with Parliament, culture and audiovisual |
| Erkki Liikanen | Finland | 1995–1999 | Santer Commission | Budget, Personnel and Administration |
| Marcelino Oreja | Spain | 1995–1999 | Santer Commission | Relations with the European Parliament, Culture, Audiovisual Policy |
| Anita Gradin | Sweden | 1995–1999 | Santer Commission | Immigration, Justice & Home Affairs, Financial Control, Anti-fraud and Relations with the European Ombudsman. |
| Loyola de Palacio | Spain | 1999–2004 | Prodi Commission | European Commissioner for Inter-Institutional Relations and Administration, Transport and Energy |
| Margot Wallström | Sweden | | Barroso Commission I | Institutional Relations and Communication Strategy |
| Siim Kallas | Estonia | 2004–2009 | Barroso Commission I | Administrative Affairs, Audit and Anti-Fraud |
| Maroš Šefčovič | Slovakia | 2010–2014 | Barroso Commission II | Inter-Institutional Relations and Administration |
| Frans Timmermans | Netherlands | 2014–present | Juncker Commission | Better Regulation, Inter-Institutional Relations, Rule of Law and Charter of Fundamental Rights |
| Maroš Šefčovič | Slovakia | noimnated | Von der Leyen Commission | Interinstitutional Relations and Foresight |
| Johannes Hahn | Austria | nominated | Von der Leyen Commission | Budget and Administration |
| Name | Country | Period | Commission | Portoflio actual name |
| Anita Gradin | Sweden | 1995–1999 | Santer Commission | Immigration, Justice & Home Affairs, Financial Control, Anti-fraud and Relations with the European Ombudsman. |
| António Vitorino | Portugal | 1999–2004 | Prodi Commission | Justice and Home Affairs |
| Franco Frattini | Italy | 2004-2008 | Barroso Commission I | Justice, Freedom and Security |
| Jacques Barrot | France | 2008-2009 | Barroso Commission I | Justice, Freedom and Security |
| Viviane Reding | Luxembourg | 2010–2014 | Barroso Commission II | Justice, Fundamental Rights and Citizenship |
| Frans Timmermans | Netherlands | 2014–present | Juncker Commission | Better Regulation, Inter-Institutional Relations, Rule of Law and Charter of Fundamental Rights |
| Věra Jourová | Czech Republic | 2014 onwards | Juncker Commission | Justice and Consumers |
| Věra Jourová | Czech Republic | nominated | Von der Leyen Commission | Values and Transparency |
| Didier Reynders | Belgium | nominated | Von der Leyen Commission | Justice |
| Helena Dalli | Malta | nominated | Von der Leyen Commission | Equality |
| Name | Country | Period | Commission | Portoflio actual name |
| Finn Olav Gundelach | Denmark | 1977–1981 | Jenkins Commission | Agriculture-Fisheries |
| Giorgios Contogeorgis | Greece | 1981–1985 | Thorn Commission | Transport, Fisheries and Tourism |
| Frans Andriessen | Netherlands | 1985–1989 | Delors Commission I | Agriculture and fisheries |
| António Cardoso e Cunha | Portugal | 1986–1989 | Delors Commission I | Fisheries |
| Manuel Marin | Spain | 1989–1992 | Delors Commission II | Cooperation, development and fisheries |
| Ioannis Paleokrassas | Greece | 1993–1995 | Delors Commission III | Environment, fisheries |
| Franz Fischler | Austria | 1999–2004 | Prodi Commission | Agriculture and Fisheries |
| Sandra Kalniete | Latvia | 2004 | Prodi Commission | Agriculture and Fisheries |
| Joe Borg | Malta | 2004–2010 | Barroso Commission I | Fisheries and Maritime Affairs |
| Maria Damanaki | Greece | 2010–2014 | Barroso Commission II | Maritime Affairs and Fisheries |
| Karmenu Vella | Malta | 2014 onwards | Juncker Commission | Environment, Maritime Affairs and Fisheries |
| Virginijus Sinkevičius | Lithuania | nominated | Von der Leyen Commission | Environment and Oceans |
| Name | Country | Period | Commission | Portoflio actual name |
| Hans von der Groeben | Germany | 1967–1970 | Rey Commission | |
| Albert Borschette | Luxembourg | 1970–1973 | Malfatti Commission, Mansholt Commission | |
| George Thomson | United Kingdom | 1973–1977 | Ortoli Commission | |
| Antonio Giolitti | Italy | 1977–1985 | Jenkins Commission, Thorn Commission | Regional Policy |
| Grigoris Varfis | Greece | 1985–1989 | Delors Commission I | Relations with the European Parliament, regional policy and consumer protection |
| Henning Christophersen | Denmark | 1985–1989 | Delors Commission I | Budget, financial control, personnel and administration |
| Bruce Millan | United Kingdom | 1989–1992 | Delors Commission II | Regional Policy |
| Bruce Millan | United Kingdom | 1993–1994 | Delors Commission III | Regional Policy and Cohesion |
| Peter Schmidhuber | Germany | 1993–1994 | Delors Commission III | Budget, financial control and the cohesion fund |
| Monika Wulf-Mathies | Germany | 1994–1999 | Santer Commission | Regional Policy |
| Michel Barnier | France | 1999–2004 | Prodi Commission | Regional Policy |
| Jacques Barrot | France | 2004 | Prodi Commission | Regional Policy |
| Péter Balázs | Hungary | 2004 | Prodi Commission | Regional Policy |
| Danuta Hübner | Poland | 2004–2009 | Barroso Commission I | Regional Policy |
| Paweł Samecki | Poland | 2009–2010 | Barroso Commission I | Regional Policy |
| Johannes Hahn | Austria | 2010–2014 | Barroso Commission II | Regional Policy |
| Corina Crețu | Romania | 2014 onwards | Juncker Commission | Regional Policy |
| Elisa Ferreira | Portugal | nominated | Von der Leyen Commission | Cohesion and Reforms |
| Name | Country | Period | Commission | Portoflio actual name |
| Fritz Hellwig | West Germany | 1967–1970 | Rey Commission | |
| Ralf Dahrendorf | West Germany | 1973–1977 | Ortoli Commission | |
| Guido Brunner | West Germany | 1977–1981 | Jenkins Commission | Energy, Research, Science |
| Étienne Davignon | Belgium | 1981–1985 | Thorn Commission | Industrial Affairs, Energy, Research and Science |
| Karl-Heinz Narjes | Germany | 1985–1989 | Delors Commission I | Industry, information technology and science and research |
| Filippo Maria Pandolfi | Italy | 1989–1993 | Delors Commission II | Science, research, development, telecommunications and innovation |
| Antonio Ruberti | Italy | 1993–1995 | Delors Commission III | Science, research, technological development and education |
| Édith Cresson | France | 1995–1999 | Santer Commission | Research, Science and Technology |
| Philippe Busquin | Belgium | 1999–2004 | Prodi Commission | Research |
| Louis Michel | Belgium | 2004 | Prodi Commission | Research |
| Janez Potočnik | Slovenia | 2004–2010 | Barroso Commission I | Science and Research |
| Máire Geoghegan-Quinn | Ireland | 2010–2014 | Barroso Commission II | Research, Innovation and Science |
| Carlos Moedas | Portugal | 2014 onwards | Juncker Commission | Research, Science and Innovation |
| Mariya Gabriel | Bulgaria | nominated | Von der Leyen Commission | Innovation and Youth |
| Maroš Šefčovič | Slovakia | nominated | Von der Leyen Commission | Interinstitutional Relations and Foresight |
| Name | Country | Period | Commission | Portoflio actual name |
| Michel Rasquin | Luxembourg | 1958 | Hallstein Commission | |
| Lambert Schaus | Luxembourg | 1958–1967 | Hallstein Commission | |
| Victor Bodson | Luxembourg | 1967–1970 | Rey Commission | |
| Albert Coppé | Belgium | 1970–1973 | Malfatti Commission, Mansholt Commission | |
| Carlo Scarascia-Mugnozza | Italy | 1973–1977 | Ortoli Commission | |
| Richard Burke | Ireland | 1977–1981 | Jenkins Commission | Taxation, Consumer Affairs, Transport |
| Giorgios Contogeorgis | Greece | 1981–1985 | Thorn Commission | Transport, Fisheries and Tourism |
| Stanley Clinton Davis | United Kingdom | 1985–1989 | Delors Commission I | Environment, consumer protection and transport |
| Karel Van Miert | Belgium | 1989–1992 | Delors Commission II | Transport and consumer protection |
| Abel Matutes | Spain | 1993–1994 | Delors Commission III | Transport and energy |
| Marcelino Oreja | Spain | 1994–1995 | Delors Commission III | Transport and energy |
| Neil Kinnock | United Kingdom | 1995–1999 | Santer Commission | Transport, including TEN |
| Loyola de Palacio | Spain | 1999–2004 | Prodi Commission | Inter-Institutional Relations and Administration, Transport and Energy |
| Jacques Barrot | France | 2004–2008 | Barroso Commission I | Transport |
| Antonio Tajani | Italy | 2008–2010 | Barroso Commission I | Transport |
| Siim Kallas | Estonia | 2010–2014 | Barroso Commission II | Transport |
| Violeta Bulc | Slovenia | 2014 onwards | Juncker Commission | Transport |
| | | | Von der Leyen Commission | Transport |