Ömer Barbaros Yiş graduated from Koç University with a double major in Business Administration and Economics and received his master’s degree in Economics from Universitat Autonoma De Barcelona. Having started his career in 2006 as Corporate and Consumer Pricing Specialist in Turkcell, he held various Senior Product Manager roles in the marketing department. From 2010 to 2013, he continued his career as the Global Telecom Industry Director in Peppers & Rogers Group. In 2013 he joined Turk Telekom, where he served as Existing Customer Management Director, Premium Segment Customer Management Director and then Fixed Products Revenue Management Director. In 2017, Yiş began working at Turkcell as Strategic and Focused Marketing Director and then he has assumed Consumer Marketing Director role. In addition to his existing role, he has been appointed as the acting Executive Vice President of Marketing, effective as of December 18, 2018.