After graduating from Fmv Özel Isik Lisesi Nisantasi in 1982, Ersöz graduated from Istanbul University, School of Business in 1987 and London South Thames College in 1989 respectively. In year 1990, Ersöz started her career in Eczacibasi Menkul Degerler. In 1991, she moved to the Automation Sector and worked for Renault Mais AS until 1998 when Ersöz started working for Dogus Otomotiv AS. She established the Volkswagen Fleet Department. In 11 years, Ersöz worked as the Porsche Sales Manager as well as the Fleet Department Coordination Manager for all the passanger vehicles under Dogus Grup. As of August 201, she started working for the Turkey Sothebys International Realty. Ersöz is a member of various social non-profit organizations.