Korhan Öz is a globally experienced CEO with over 30 years of leadership experience, including nearly two decades in retail and consumer-driven businesses. He is known for combining financial expertise with strategic vision to deliver sustainable growth and long-term value.

Throughout his career, Öz has held senior leadership roles at globally recognized organizations such as Ernst & Young, Nokia Networks, Levi Strauss & Co., and MediaMarkt, building deep expertise across finance, operations, and large-scale business transformation.

Prior to becoming CEO, he served as CFO and Board Member at Hepsiburada, where he led the company’s successful initial public offering on the Nasdaq in 2021 — a landmark transaction that supported the company’s international growth.

As Chief Executive Officer of Unifree Duty Free, Öz leads the company’s strategic direction with a focus on accelerating growth, strengthening its position in global travel retail, and delivering distinctive customer experiences.

Recognized for his strategic mindset and strong execution capability, he is widely regarded as a leader who effectively bridges financial discipline with commercial success.

Ahmet Sönmez, the General Manager of Setur, is a graduate of Istanbul Technical University's Department of Industrial Engineering. After completing his undergraduate education, Sönmez obtained a Master's degree in Business Administration from Koç University. Between 2001 and 2008, he held various positions in Koç Holding's Audit Department. From 2010 to 2015, he served as the Director of Finance at Koçtaş Building Markets, and later took on the position of Deputy General Manager.

Subsequently, from 2015 to 2016, Sönmez served as the Deputy General Manager responsible for Duty Free at Setur. Since 2017, he has been continuing his professional journey as the General Manager of Setur.

Ersan Arcan graduated from Schiller University with a degree in Business Administration. He started his professional career by working in the family business in the early years. After joining TAV Airports Holding, he served as the Operations Manager at ATÜ Duty Free from 1999 to 2006, and later as the Deputy General Manager from 2006 to 2007. In October 2007, he was appointed as the General Manager of ATÜ Duty Free. Since May 2016, he has been serving as the CEO of ATÜ Duty Free. He is fluent in English and French.

With over 23 years of experience as an entrepreneur and professional in the retail sector, Ersan Arcan has held key roles in leading multinational companies and global brands, particularly in Europe and Turkey, in areas such as operations, sales, business development, new business openings, and business unit management. He has extensive experience in managing and leading people from diverse cultures, with over 2700 employees and retail areas exceeding 27,000 square meters in operation across 21 airports in 8 countries on 4 continents.

Ahmet Gürlek was born in Ankara in 1979. He completed his primary education at Ulubatlı Hasan Primary School, and his middle and high school education at Ankara Anatolian High School. After graduating from the Business Administration Department of Middle East Technical University in 2002, he began his professional career in 2003 at the Presidency Private Secretariat of the Union of Chambers and Commodity Exchanges of Turkey (TOBB).

After 1.5 years of service, in 2005 he started working at Gümrük ve Turizm İşletmeleri Ticaret A.Ş. (Customs and Tourism Enterprises Trade Inc.), a subsidiary of TOBB established to modernize Turkey’s customs gates and to provide suitable conditions to meet the needs of arriving and departing passengers. In the same company, he served as Business Specialist, Operations Manager of Enterprises, and Assistant General Manager.

Throughout his professional career, thanks to the leadership he demonstrated, his visionary perspective, strategic thinking ability, and dedicated successful work, he was appointed General Manager of Gümrük ve Turizm İşletmeleri A.Ş. in 2025 and continues to perform this duty at present.

He completed the MBA (Master’s in Business Administration) program at TOBB University of Economics and Technology in 2020. He also participated in various certification trainings at the same university. The main ones among them are finance, marketing, organization, and communication trainings.

Ahmet Gürlek is married and has two children, and he speaks English.

Tolga Ilgaz holds a bachelor's degree from Anadolu University, Faculty of Economics. He completed his master's degree in Business Administration at Dumlupınar University, followed by the Occupational Health and Safety program at Atatürk University. He earned a second master's degree in the same field from Antalya Bilim University.

Beginning his career at the Ministry of Finance and Customs, Tolga Ilgaz resigned in 1994 and joined Net Holding that same year. In 1998, he took on significant responsibilities during the opening and operation of the duty-free stores at the Antalya Airport International Terminal, which began operations as the sole operator in Turkey. He currently serves as the Deputy General Manager for Turkey operations and the Global Logistics Director within Avolta.

He possesses expertise in foreign trade, international customs legislation, product procurement and logistics planning, organizational management, and holds a Class B Occupational Safety Specialist certification.

Additionally, he is a pilot and an ocean-going master mariner, and holds diving and sailing instructor certifications.

He is a graduate of Ankara Academy of Economic and Commercial Sciences, specializing in the Economics-Finance department, and has completed a master's degree in Business Administration.

In 1974, he began his career as a sales assistant at Setur A.Ş's duty-free store at Ankara Esenboğa Airport. He progressed to become the store manager and left the company in 1981 due to military service.

After completing his 4-month short-term military service, in early 1982, he joined Aygaz-Alpa, another company within the Koç Group, as a Sales Representative at the Ankara Regional Office.

In February 1984, he moved to Istanbul to become the Manager of Setur Stores at Istanbul Atatürk Airport. After holding various positions within Setur Duty Free, he was appointed as the Deputy General Manager responsible for Duty Free in 2000 and retired in late 2009.

Between 2010 and 2016, he established and operated his own travel agency. In early 2017, he transferred their agency and took on the current role of General Secretary at the association.