About Hepsiburada

Executive Team

Nilhan Onal Gökçetekin
Chief Executive Officer (CEO)

Nilhan Onal Gökçetekin has been the CEO of Hepsiburada since January 2023.

Prior to Hepsiburada, she held multiple leadership roles in Amazon such as consumer electronics, insurance, shipping, apparel and footwear. During the ten years preceding her career at Amazon, Ms. Onal held important and diverse senior management roles at Procter & Gamble in many categories and geographies, from food and electricals to home care products. Among many recognitions, in 2021, she was also named among the top Turkish executives in Global Turks par excellence conducted by Heidrick and Struggles.

Mrs. Onal holds a Pre-Master of Business Administration from Boğaziçi University in Marketing and Finance and holds a degree in Political Science and International Relations from Boğaziçi University. She also completed the “Advanced Management Program” at Harvard Business School.

Seçkin Köseoğlu
Chief Financial Officer (CFO)

M. Seçkin Köseoğlu serves as Chief Financial Officer (CFO) since January 2024. From February 2023 until January 2024, he served as Vice President responsible for Strategic Finance at Hepsiburada.

Prior to Hepsiburada, he held leadership roles in finance at pharmaceutical and FMCG companies including AMGEN MEA, AMGEN Turkey, Danone and P&G among others, where he played a key role in driving revenue and profit across diverse international markets covering Middle East, Africa, Eastern Europe & Türkiye. He has a track record of turning around underperforming businesses and increasing enterprise value by cost optimization and organizational transformation.

Mr. Köseoğlu has a Bachelor’s degree in Mechanical Engineering from Istanbul Technical University and holds a Master of Business Administration, with honors, from Koç University.

Ender Özgün
Chief Commercial Officer (CCO)

Ender Özgün serves as Chief Commercial Officer (CCO) since May 2023. From July 2021 to October 2023, he served as Chief Marketing Officer (CMO). During May - October 2023, he held a dual role as both the CMO and the CCO.

Prior to Hepsiburada, Mr. Özgün worked in various positions at Vodafone Turkey, most recently as Corporate Sales Director, where his work focused on digital transformation, growth and value management, and segment strategies. He began his business career in 2005 at Procter & Gamble, where he held various managerial roles in the marketing department and focused on brand management, customer understanding, and communications strategy and execution.

He holds an MBA in Brand Management and Marketing Strategies from Bahçeşehir University in Istanbul and degrees in Industrial Engineering and Civil Engineering from Bosphorus University in Istanbul.

Alexey Shevenkov
Chief Technology Officer (CTO)

Alexey Shevenkov has joined as Chief Technology Officer (CTO) in December 2021. Mr. Shevenkov has significant experience having spent 16 years at Yandex, a leading Russian technology company, most recently as CTO of Yandex.Market, the group s flagship online marketplace. He joined Yandex as a software developer in 2005 and went on to become head of software engineering in 2009, before assuming the role of CTO of Yandex.Market in 2016. He has overseen and participated in the launch of several e-commerce services at Yandex including Yandex.Market, Yandex.Uslugi, Yandex.Delivery, and Beru. Prior to Yandex, Mr. Shevenkov worked at Luxoft as a software developer.

Mr. Shevenkov holds a Master s degree from Bauman Moscow State Technical University.

Erkin Aydın
Chief Executive Officer of Hepsi Finansal

Erkin Aydın serves as Chief Executive Officer of Hepsi Finansal since June 2022. Prior to Hepsiburada, Erkin Aydın worked in various positions at QNB Finansbank A.Ş., the Turkish subsidiary of Qatar National Bank (Q.P.S.C.), including leading value-creation initiatives such as founding new businesses, investments in Fintech, and establishing partnership platforms, while heading the Retail Banking, SME Banking and Payments Systems businesses. He began his career in the U.S. with Clark Construction Group, and later joined McKinsey & Company, where he worked with various local and global financial institutions in the fields of strategy, marketing, growth, turnaround management, and M&A in Europe and Turkey.

Mr. Aydın graduated from the Bosphorus University in Istanbul with a BS degree in Civil Engineering and received his MBA degree from the University of Michigan Graduate School of Business.

Esra Beyzadeoğlu
Chief Customer Experience and People Officer (CEPO)
Esra Beyzadeoğlu serves as Chief Customer Experience and People Officer (CEPO) since January 2023. She served as a Chief People & Culture Officer (CPCO) between 2021 and 2023. From 2018 to 2021, Mrs. Beyzadeoğlu was COO, IT, Digital Banking, CRM and Operations at Aternatifbank. Mrs. Beyzadeoğlu has held a number of executive and management roles at leading banks and consultancy firms, such as Alternatifbank, Akbank, Accenture, Ziraat Technology and Osmanlı Bank, including roles leading the digital transformation projects for such companies.

Mrs. Beyzadeoğlu holds an Executive Master of Business Administration from Sabancı University as well as a Bachelors degree in Industrial Engineering from Galatasaray University. She also participated in the Leadership Development Program of Koç University. 

Mehmethan Yallagöz
Chief Logistics Officer (CLO)

Mehmethan Yallagöz serves as Chief Logistics Officer (CLO) since December 2021. From 2019 until becoming CLO, he served as the HepsiJet Managing Group Director. Mr. Yallagöz joined Hepsiburada in 2017, and served as Logistics Group Director of Hepsiburada since then. Prior to Hepsiburada, Mr. Yallagöz worked for Markafoni (an e-commerce company) as the logistics operations group director and for Yurtiçi Kargo (logistics firm) as the audit vice president and investigator. He advised several companies through his own logistics consultancy firm on logistics, parcel shipments and warehousing.

Mr. Yallagöz holds a Bachelors degree in Business Administration from Uludağ University.