In 1994, Lopez gained his first experience in politics, working in Washington, D.C. as a congressional page for U.S. Rep. Ed Pastor, D-Phoenix.
Gore Presidential campaign
Lopez served on the advance team for Al Gore's Presidential campaign in 1998. He joined the Presidential campaign in 1999.
Elected and appointed positions in Government
Mayor of Nogales, Arizona
Lopez won his first election in 2001, becoming mayor of Nogales, Arizona, a border town with a population of approximately 21,000. He served as Mayor of Nogales until 2004, earning the distinction of "America's youngest mayor."
The Napolitano years and entry to D.C.
In December 2003, Lopez was appointed by Arizona Governor Janet Napolitano as the Executive Director of the Arizona-Mexico Commission. He was designated as state Policy Adviser for Latin America, which is a Cabinet-level division of the Governor's office responsible for overseeing and coordinating all international Latin American affairs for the State of Arizona. In late 2006 Governor Napolitano promoted Lopez to be her Senior Adviser where he advised her at the Arizona State Capitol on the State's political relationship with other countries and Arizona's trade relationship with Mexico, Canada, Europe, the Asia-Pacific, and Japan. In late 2008, Lopez was appointed by Napolitano to serve as Director of the Arizona Department of Commerce, overseeing the state's economic development efforts and managing Arizona's investment policies. A few months after Arizona Governor Janet Napolitano was announced by President Barack Obama as the third United States Secretary of Homeland Security, Lopez was appointed to serve as the Chief of staff for United Customs and Border Protection.
In 2011, Lopez founded Intermestic Partners, one of the top international business development and political advisory firms in North America. Through Intermestic Partners, Lopez represents numerous Fortune 100 companies doing business between the United States and Latin America. Aside from advising top businesses and executives, he has worked with numerous political leaders in the United States and Latin America.
International Business Solutions
Lopez also serves as President and CEO of International Business Solutions, Inc., a business advisory firm that provides consultancy services to domestic and international organizations.
Senior Advisor to Carlos Slim
According to multiple references in print and online media, since 2011, Marco Lopez has served as a Senior Advisor to Mexican billionaire Carlos Slim Helu, who was ranked from 2010 to 2013 by Forbes magazine as the richest person in the world.
Political Prospects
Lopez has stated publicly that he will enter elected politics after his successful business career. Marco is a member of the Council on Foreign Relations.