Erhan Topaç was born in 1953 and received a Master’s degree from Boğaziçi University, Faculty of Mechanical Engineering and a Ph.D. in Mathematical Modeling from the Industrial Engineering Department of the same institution. From 1979 until 1989, he worked at Eczacıbaşı Holding in various posts. From 1989 to 1990, Mr. Topaç served as Marketing Director at Pepsi Cola. Since 1991, he has held the position of Chairman of the Board at Gedik Yatırım Menkul Değerler A.Ş., Gedik Yatırım Holding A.Ş. and Marbaş Menkul Değerler A.Ş. Erhan Topaç also sits on the Board of Trustees at Gedik University. Since August 31, 2018, Mr. Topaç is a member of Borsa İstanbul Board as representative of Turkish Capital Markets Association.