He was born in 1954. He studied at Middle East Technical University, Petroleum Engineering. He started his career in 1979 as Senior Engineer at TPAO and continued his carreer at TPAO as the Chief Engineer, Production Manager, President of International Group, President of Turkish Petroleum Overseas Co respectively, until 1999. Between 1999-2003, he worked as Assistant to the President of the Energy Group at Koç Holding A.Ş.. Between 2003 and April 2004 he worked as Executive Board Member, Energy Group Companies. Mr. Memioğlu is the President of the Energy Group, Koç Holding A.Ş. since May 2004.