Erol Bilecik was born in 1962 in Antakya. Bilecik completed his primary, secondary and high school education in his hometown. He graduated from Istanbul Technical University with a Bachelor of Science in Computer Engineering in 1987 as one of the first computer engineers in Turkey.
In 1989, Erol Bilecik founded İndeks Bilgisayar A.Ş. and became the CEO of the company. With a mission to be a technology product supply centre for computer companies throughout Turkey, İndeks Bilgisayar A.Ş. has been offering the products of more than 200 global brands to individual and business consumers in Turkey through more than 8,000 business partner channels.
Erol Bilecik currently serves as the President and CEO of various companies under the umbrella of Index Grup, including İndeks Bilgisayar A.Ş., Despec A.Ş., Datagate A.Ş., Artım A.Ş., Neteks A.Ş., Teklos A.Ş. and Homend A.Ş..
Under his leadership, certain Index Group companies went public and traded in BIST including İndeks Bilgisayar in 2004, Datagate in 2006, Despec in 2010. Through Index Group companies, Erol Bilecik contributed 5 waves of foreign investment and capital inflow in Turkey.
Erol Bilecik served as the president of Informatics Industry Association of Turkey (TUBISAD), one of the oldest non-governmental institutions in Turkish computer industry between 2002 and 2005, and ITU Alumni Council and ITU Alumni Association between 2010 and 2014. He currently serves in boards of various non-governmental organizations.
Turkish Grand Assembly honoured Erol Bilecik with the Meritorious Service Medal in 15 July 2010, for his support and contribution to the field of education.
Erol Bilecik was elected as the President of TÜSİAD during the ordinary general assembly of the association on 12 January 2017.