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Senior Management

Ümit Önal

Starting his professional life in media and communication sector, Ümit Önal joined Turkuvaz Media Group in 2007 and worked as General Manager of ATV, Advertisement VP and Executive Committee Member respectively until 2015.

In 2015, Ümit Önal took over the position of CEO and Executive Board Member of Digitürk and managed the sale process of Digitürk to BeIN group successfully.

Ümit Önal joined Türk Telekom at the end of 2016 and he served as Sales and Customer Care Assistant General Manager between 2016 and 2018. He has also served as Marketing and Customer Care Assistant General Manager since December 2018.

By leading the most successful growth performance since the IPO of Türk Telekom, in 2018 Ümit Önal put his signature under the record subscriber growth and highest revenue increase of the last decade.

As of 31st July 2019, Ümit Önal has been appointed as the CEO of Türk Telekom, the leader telecommunication and technology company of Turkey and he started to work with the vision of leading to the digital and technological transformation of our country.

He has more than 20 years expertise in media industry, which gave him a chance to be a part of Turkey’s media transformation and he has played an active role in sector organizations throughout his career. He is the former Chairman and current Board Member at TİAK (TV Monitoring and Research Committee) and Committee Chairman at TVYD (Association of TV Broadcasters). He is married and father of three daughters. Ümit Önal, born in 1973, graduated from İstanbul University Department of Advertising and Public Relations of Faculty of Communication.​​​

Kaan Aktan

Kaan Aktan, after Galatasaray High School, graduated from Boğaziçi University, Economics in 1995. He started his career at Anadolu Group. He worked in PepsiCo-Pepsi Bottling Group Turkey Operation in 2002 and afterwards he worked at Texas Pacific Group Investment Fund Turkey Asset Management companies as finance manager since 2007. He joined Türk Telekom in 2010 as Director of Financial Projects. He was appointed as TTNET CFO in March 2013. From September to December 2014, in addition to his existing responsibilities, Mr. Aktan acted as a Deputy CEO of TTNET. Kaan Aktan served as Consumer finance Assistant General Manager of TTNET between February 2015 and November 2016, and since August 2016, he also acted as Deputy General Manager of AssisTT.

Mr. Aktan is serving as Finance Assistant General Manager since December 2016. ​​

Dr. Mehmet Beytur

After receiving bachelor’s degree in Electronics and Communication Engineering from İstanbul Technical University in 1991, Dr. Mehmet Beytur obtained his master's degree in Economics from Marmara University in 1995 and his Ph.D. in Business Administration from Gebze Institute of Technology in 2008.

He started his career as an access engineer at Türk Telekom (at that time PTT) in 1991 and after serving as chief engineer, manager, assistant region manager and provincial manager, he has served as Istanbul Region Manager for more than 10 years. In this role, he carried out technical, commercial and all support functions. Cable TV, X-Bar Transformation, Rural Transformation, NGN, Fiber Transformation, Dealership System, Call Center Project, Office Conversion Project, Performance Administration System and Organizational Alteration Projects were included in some of his projects.

Dr. Mehmet Beytur is the Chairman of the Board of Directors of the Türk Telekom BYS (Saving and Aid Fund), as well as a member of the Board of Directors of Türk Telekom Basketball Club.

Dr. Mehmet Beytur is serving as Support Services and Procurement Management Assistant General Manager since September 2019.

Burak Ersoy

Upon graduating from TED Ankara College, Burak Ersoy graduated from Middle East Technical University, Department of Mining Engineering in 1992 and he had his MBA Degree from Gazi University in 1998. He also completed the Executive Development Program of University of Chicago Booth School of Business in 2015.

His career journey started at Marsh & Mclennan in 1994 as Regional Manager. Between 1999 and 2006, he worked in Kraft Food Company (now Mondelez International) first as Trade Marketing and Sales Development Manager and then as National Sales Manager. Between 2006 and 2015 he worked in Turkcell Company as National Retail Sales Manager, Corporate Indirect Channel Director and Chief Sales Officer respectively. He served as the CEO of Lifecell in Ukraine between 2015 and 2017. Since 2018, he has been the co-founder of SocialPeople and BroFin companies.

He is fluent in English and he speaks Russian at intermediate-level.​

Ali Gürsoy

Ali Gürsoy graduated in Faculty of Management from Bilkent University in 1993. He started to work for Şişecam Group as Assistant Specialist in 1995 and continued his professional life at Esbank T.A.Ş as Specialist in marketing department.

In 1997 he moved to USA and successfully completed his education at Pace University - M.S. in Investment Management, at Columbia University- Computer Science and M.S. in Financial Mathematics Departments, respectively.

He worked as a financial analyst at ATB Consulting in the United States and then worked as a Financial Risk Manager at Aragon Asset Management. After his return to Turkey in 2006, Ali Gürsoy worked as Assistant General Manager at Risk Türk Financial Software Company for five years.

Continuing his professional life since 2011 at Türk Telekom Group as Director of Enterprise Risk Management, he was appointed as Assistant General Manager responsible from finance function at Assistt A.Ş. in 2018 and he accompanied two titles so far.

Mr. Gürsoy is serving as Head of Enterprise Risk and Business Continuity at Türk Telekom since December 2019.​

Barış Karakullukçu

Barış Karakullukçu graduated from İzmir Science High School and then Industrial Engineering Department of Bilkent University. She completed Management Information System Program of Boğaziçi University and Executive MBA program of Koç University.

Her career started in I-Bimsa company as a consultant in 1996 and she has continued in Price Waterhouse Coopers company as senior consultant in 1997. Between 2001 to 2005 she served in Accenture Company, responsible from Global Business Solutions when she worked in more than 25 countries and in 2005 she is transferred to Accenture Turkey Office as Partner. Between 2012 and 2016, she worked as the CEO and Executive Committee Chairman of Mudo and managed the transformation journey of the company. This transformation has been studied in an academic case in Harvard Business School. From 2017 to 2018, she took over Chief Data and Analytics Officer position in Turkcell. In 2018, she became the Strategy Director and CEO Advisor in Invent Analytics company and her most recent position was Global Business Services Country Leader in IBM.

She has been lecturing for MBA programs in Özyeğin and Boğaziçi Universities and she is the Chairman of Technology and Innovation Study Group under Foreign Investors Association. She has been listed on 50 Most Powerful Women in Turkey by Fortune in 2012, 2014 and 2016. She is married and has 2 children.​​

Yusuf Kıraç

Yusuf Kıraç graduated in Electrical and Electronics Engineering from Hacettepe University in 1994. Following his undergraduate studies, in 1996 he started working as a manager in planning and integration management at Siemens and Nokia Siemens Networks. Mr. Kıraç started to work in Türk Telekom in 2008, taking part in the team that carried out the successful transformation projects in Türk Telekom’s All IP Architecture with Rural Transformation, Türk Telekom NGN and Fiber Transformation projects. In 2010, he assumed the role of Network Director and led many projects that gave profitability and capacity to Türk Telekom such as Fiberkentt, DWDM, MPLS, DC Conversion and TTVPN. In addition to his current role, he also chaired the NANI Working Group of ETNO, European Telecommunication Operators Organization, headquartered in Brussels, between 2010 and 2014. In his managerial role at ETNO, he worked closely with international organizations such as the European Commission, CoCom, ECC, ITU, ETSI, ICANN and RIPE for numbering and addressing issues; migrating from IPv4 to IPv6, number portability, and M2M’s future strategies and policies. After the integration of Türk Telekom, Avea and TTNet, he served as Core & Transport Network Director. He has also been a board member of ESB (Access Providers Association) since 2015. Yusuf Kıraç has served as Türk Telekom International General Manager since December 2016.​

Yavuz Türkmen

Yavuz Türkmen graduated from Bilkent University, Economics with high honor in 1995. He started his career at KPMG. He worked at Türk Hava Yolları between 2004 and 2006 as Financial Control Manager, afterwards in 2006 he worked at a private chemical Company as Vice General Manager of Finance and Administrative Affairs. He joined Türk Telekom in 2007 as General Accounting Manager. Between 2009 – 2017, he served as Türk Telekom Financial Control Director and Türk Telekom Group Financial Control Director. During this period, he took an active role in reorganization of finance department and also took responsibility of many projects, each of which first in their fields. Yavuz Türkmen has CPA and Independent Auditor certificates.

Yavuz Türkmen is serving as Head of Internal Audit since February 2017.​​

Mehmet Emre Vural

After receiving bachelor’s degree in Electrics & Electronics Engineering from Turkish Military Academy in 1990, Mehmet Emre Vural, completed Artillery and Rocketry school in 1991.

He started his career in Kraft Foods Turkey (formerly Kar Gida A.Ş.) in 1994 responsible for HR, Administration, IT and Legal he successively took chief, manager and coordinator positions. In 2002 he joined Ülker Group and served as HR Manager, Recruitment Manager, HR Business Partner and HR Director responsible for International Operations and Yıldız Holding. After joining Matlı A.Ş. in 2012 as General Manager and board member; he took CEO position in Destek Holding starting from 2014.

Through his career, he completed numerous re-organizations, renovation and implementation projects.​​

Uğur Nabi Yalçın

Uğur Nabi Yalçın is graduated from Istanbul University Faculty of Law, and started his career in 1997 at Migros Turk T.A.Ş. as lawyer. He worked at BDO Denet Yönetim Danışmanlığı Şirketi, a sworn accountant and independent auditing firm, between 1998 and 2007 as lawyer and legal counsel. He worked as chief legal counsel in Aktif Yatırım Bankası A.Ş. between 2007 and 2015. He practices law as solo practitioner since 2015. Mr. Yalçın has been appointed as board member in various companies throughout his legal career.​​​

Yavuz Yıldırım

Yavuz Yıldırım graduated from Uludağ University in 1999 from the Faculty of Economics and Administrative Sciences, Department of Business Administration. Following  his past work experiences in trading, he started his career in 2002 at Telsim, followed by various positions in sales and marketing units at Nortel Networks Netas between 2004 -2006 and then Vodafone between 2006-2009 (Approximately 3,5 years). Mr. Yıldırım joined Türk Telekom in 2009 as Director of SME Sales Operations and contributed to the establishment of SME sales channel. In November 2011, he undertook the Wholesale Sales Director role and served as the President of Türk Telekom Wholesale Clients Business Unit between April 2015 - December 2016.
Mr. Yıldırım is serving as Wholesale Assistant General Manager since December 2016.


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