Gökhan Erün earned his undergraduate degree from İstanbul Technical University Department of Electronics and Communications Engineering and his graduate degree from Yeditepe University in Business Administration. Erün began his career at Garanti Bank Treasury Department in 1994. Between 1999 and 2004, he served as the Senior Vice President of Commercial Marketing and Sales Department. After becoming the CEO of Garanti Pension and Life in 2004, he was appointed as Executive Vice President of Garanti Bank in September 2005. Erün served as the Deputy CEO of Garanti Bank since September 2015, in charge of Corporate Banking Coordination, Treasury, Treasury Marketing and Financial Solutions, Derivatives, Cash Management and Transaction Banking, and Financial Institutions. He also held positions in the Boards of various Garanti Bank subsidiaries. As of January 2018, Erün has continued his career in Yapı Kredi as Executive Director in Board of Directors and Chief Executive Officer (CEO). In addition, Erün is the CEO of Koç Financial Services and holds positions in the Boards of various Yapı Kredi Group subsidiaries.