Prof. Dr. H. Güntekin Köksal
Founder President

Prior to founding Pet Holding in 1974, Prof. Dr. Guntekin Koksal spent 17 years with Turkish Petroleum Corporation (TPAO) holding a number of management posts in production, drilling, reservoir, machinery and maintenance.
As a Mining and Petroleum Engineer by background with two MSc’s from Leoben University in Austria, Dr. Köksal spent much of his pioneering career exploring and producing petroleum in places like Azerbaijan, Kazakhstan, Turkey, Yemen and Kurdistan Region of Iraq. 
Dr. Koksal was also the President of Directors of ROSTURK (Russia - Turkey Trade and Economy Union); Honorary Member of Turkish - German Industrialists and Businessmen Association; Board Member of Turkish - German Employers Union Confederation and Founding Member of Turkish-German Industry and Trade Chamber.

Ayşe Köksal Çetin
Pet Holding Chairwoman

Ayşe Köksal Çetin is a graduate in Industrial Engineering from the Northeastern University, Boston, U.S.A., Çetin completed her MBA degree in Bilkent University in 2000. Between 2003 - 2004, she received her Masters degree in Law majoring in Dispute Prevention and Resolution in International Agreements from Westminster University, London.
Ayse Koksal Çetin has worked in senior positions for oil, finance, mining and telecommunication departments within Pet Holding between 2004 – 2008. She was the Vice Chairman of the Board of Directors of Pet Holding. Currently, she serves as the United Kingdom Representative of the Holding as well as a Board Member. She is interested in music, art and sports; and has the title of champion of Turkey in finswimming.

Cem KALIN
Petkontur General Manager
Cem Kalın joined Petkontur A.Ş., a subsidiary of Petholding, as Deputy General Manager in November 2022. He has been serving as Deputy General Manager since June 2023 and as General Manager as of September 2023. Cem Kalın, who started his career in 2002, worked as Customer Relations Manager, Assistant Manager at Akbank Private Banking, and as a manager, investment and asset consultant at various private investment companies and brokerage firms. He graduated from Çankaya Atatürk Anatolian High School and Başkent University, Faculty of Economics and Administrative Sciences, Department of Business Administration.