Management Team


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 served as the president of TÜBİSAD (Informatics Industry Association of Turkey), 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 has completed his assignment as a President of TÜSİAD (Turkish Industry and Business Association) which he has carried on since Jan 12 2017, with the General Assembly dated 20.02.2019. He currently serves in boards of various non-governmental organizations. As of June 5th 2018 He has been a board member and executive committee member at Fenerbahçe Sports Club.
Turkish Grand National Assembly honoured Erol Bilecik with the Meritorious Service Medal in 15 July 2010, for his support and contribution to the field of education. Mr. Bilecik is married and has two children.


Atilla Kayalıoğlu was born in 1952, Samsun. He graduated from Mechanical Engineering Department, Bogazici University in 1974. Afterwards, he has completed his master in Industrial Engineering department of Syracuse University. Between 1980-1999, he worked for IBM Turkey in few different positions. When he was Global Services Manager, he ended his duty in IBM and joined INDEX GRUP as General Manager. He is still a board member of Index and also he acts as the Vice Chairman of Neteks A.Ş. and a board member of Datagate A.Ş., İnfin A.Ş. ve Teklos A.Ş. As of September 5, 2017, he has been appointed Vice Chief Executive Officer of Index Grup. He is married and has two children. He speaks English.


Banu Sürek was born in 1977, Ankara. She graduated from the Department of Business Administration of Middle East Technical University (METU) in 1999, and started her professional career at Garanti Bank. She served as portfolio manager at Garanti Bank from September 1999 to February 2002. Between February 2002 and February 2003, she studied Marketing Management at Zicklin School of Business in the US. From February 2003 to November 2003, she served as Finance Officer of İndeks Bilgisayar A.Ş. From November 2003 to May 2007, she held the position of Director of Finance at Datagate Bilgisayar A.Ş. Between May 2007 and June 2011 and between February 2015 and July 2016, she served in the group as Marketing Manager of Datagate Bilgisayar A.Ş. As from July 2016, she held the position of Assistant General Manager of İndeks Bilgisayar A.Ş. As of September 5, 2017, she has been appointed the General Manager of İndeks Bilgisayar A.Ş. Banu Sürek has 2 children and speaks English and Spanish.

Halil Duman

He was born in Giresun, in 1965. He completed his primary, secondary and high school education in Bulancak. In 1987, he graduated from Business Administration of Marmara University. He started working in accounting department of construction company called Yücelen Inşaat A.Ş. In a little while, he became a CFO (Chief Financial Officer) and conducted this duty for thirteen years. After he left this position, he started working for Indeks Bilgisayar A.Ş. as CFO (Chief Financial Officer). In December 8th, 2003, he was appointed as Assistant General Manager with the title of CFO. He is still acting as a board member of Index Bilgisayar A.Ş. and also acts as a board member of the group companies Datagate A.Ş.,Despec A.Ş., Neteks A.Ş. and Teklos A.Ş. He gained Official Certified Chartered Accountant title and is a member of ACCA in Istanbul. He is also an Independent Auditor. He is married and has two children.

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