Senator Isiaka Abiola Adeyemi Ajimobi was a Nigerian politician from Oyo State, south-western Nigeria. He was formerly the Managing Director/Chief Executive Officer of the National Oil and Chemical Marketing Company, a subsidiary of Shell Petroleum, Nigeria. He left the oil sector in 2002 after 26 years of meritorious service and was elected in 2003 as a Senator of the Republic of Nigeria representing Oyo South Senatorial District on the platform of the Alliance for Democracy. After one term in the senate, he contested in 2007 for the governorship seat of Oyo state under the banner of the All Nigeria People's Party, a bid which he lost. He contested again in the April 2011 gubernatorial elections under the Action Congress of Nigeria and was elected Governor of Oyo State in a closely contested vote. In 2019, he was succeeded by Oluwaseyi Makinde. He contested for Senator for his senatorial district but lost. In June 2020, he was confirmed to have the COVID-19 PANDEMIC infection and was announced dead on 25th June.
In 2003, Abiola Adeyemi Ajimobi became a Senator of the Republic of Nigeria. Ajimobi was a principal officer in the Senate, serving as the Deputy Minority leader of the Senate. In 2007, Ajimobi contested the gubernatorial election under the umbrella of the All Nigeria Peoples Party but lost. Ajimobi contested again in 2011 under the Action Congress of Nigeria and won. Ajimobi known as the Architect of the Modern Oyo State, contested for second term in an election that took place on 11 April 2015. Ajimobi contested under the All Progressive Congress for re-election and won. In the event of his re-election into office as the Governor, Ajimobi became the first person to occupy the seat twice and in succession. He was declared the winner of the Oyo State gubernatorial election by the Independent National Electoral Commission. Ajimobi was elected as All Progressive Congress Oyo South senatorial candidate on 28 September 2018. On June 16, 2020, he was appointed as the acting national chairman of the All Progressives Congress by the National Working Committee of the party.
In 1980, Ajimobi married Florence Ajimobi and they have five children. On 19 June 2020, Ajimobi was admitted to First Cardiologist and Cardiovascular Consultants Hospital in Lagos after slipping into coma following Covid-19 complications. He was declared dead on 25 June 2020.