Management

Erkut Tekinkaya started his professional career in 1991 as an Accounting and Finance expert in Ramko İnşaat A.Ş.. In 1994, he started working as a Finance Manager in Döktaş, after which he was a Budget and Management Accounting Manager in Ram Ticaret A.Ş., a Finance Manager in Koç Bilgi ve Savunma Teknolojileri A.Ş., and as the Finance and Financial Group Manager at Koç Net Haberleşme Teknolojileri ve İletişim Hizmetleri A.Ş.

Appointed to the position of Finance and Financial Affairs Vice General Manager of Koç Net Haberleşme Teknolojileri ve İletişim Hizmetleri A.Ş. in 2006, Tekinkaya later took on the role of Deputy General Manager of Integration of Vodafone Net İletişim Hizmetleri A.S. after its acquisition in 2011. He worked for Zer Merkezi Hizmetler ve Ticaret A.Ş., which he started in 2012, as Assistant General Manager of Financial Affairs for five years. Tekinkaya has been working as the Vice General Director of Financial and Administrative Affairs of KoçSistem since 2017, and serves as the Chairman of the Board of Koç Bilgi ve Savunma Teknolojileri A.Ş since 25 April, 2018.

Tekinkaya holds a bachelor’s degree in business administration from Marmara University, an MBA from Istanbul University, and a master’s degree in business from Koç University (Executive MBA). He is married and has one child.

Mehmet Hakan Öktem started his professional carrier in 1999 in Roketsan where he served as a testing, integration, and production engineer.

In 2003 he moved to HAVELSAN, where he worked as a senior testing and integration engineer. While at HAVELSAN, he was assigned to Boeing, where he worked as a System Integration and Test Engineer and resided in Seattle/USA from 2003 until 2008. Returning to Turkey in 2008, Öktem worked as the Testing Group Manager at HAVELSAN, and then as a Hardware Development Manager.

Öktem was appointed Project Manager at Koç Bilgi ve Savunma Teknolojileri A.Ş. in 2009, and later as the System Engineering Department Manager. In 2016 he took on the role of Technology and Engineering Group Manager, where he has worked ever since.

Öktem received his bachelor’s and master’s degrees from the Electrical and Electronics Engineering Department of Hacettepe University. He is married and has two daughters.