International Trade and Finance

Faculty Members




Professor Ünsal SIĞRI (Ph.D.) (Acting Dean) 

OSTIM Technical University Faculty Member and Vice Rector Prof. Dr. Ünsal Sığrı has received his Bachelor's, Master's and Doctorate degrees in Business Administration-Management and Organization. Then in 2010, he became an Associate Professor in “Management and Organization”, becoming a Professor in 2015. He completed his Post-Doctoral studies at Rochester Bittner School of Business-USA with a TÜBİTAK scholarship and served as a Faculty Member at the Military Academy and Baskent University of Ankara for many years. He was involved in important scientific projects at the Turkish Armed Forces and served as the Director of the European Union Office for Bosnia and Herzegovina. Sığrı gave seminars and participated in research projects in various international organizations such as NATO, United Nations, European Union and Council of Europe. He has published many international and national books, articles and papers in the fields of Management and Organizational Behavior.

E Mail:                  Direct Dialing: +90 312 386 10 92 / 1901 - 1950                   Office Number: 925





Assist. Prof. Begüm ŞAHİN (Ph.D.) (Department Head)


Begüm Şahin graduated from Boğaziçi University in International Trade with BA degree. She has MA in marketing and has studied on product strategies in international markets. She has experience in corporate life in family-owned companies and multinational firms. In 2012, she became an academic researcher in Çankaya University and also a founding member of Technology Transfer Office. She has worked in projects funded by TÜBİTAK, KOSGEB, Development Agency and European Union. In her PhD research she investigated market orientation of startups. She lectures on entrepreneurship and startups and also has roles in acceleration programs as a mentor, pitch jury etc. She is also interested in women entrepreneurship and social entrepreneurship. She is an international mentor of Cherie Blair Foundation for Women and ISSE- Erasmus+ Program. She continues to work as the Director of the Entrepreneurship and Leadership Application and Research Center of our university.


E Mail:                   Direct Dialing: +90 312 386 10 92 / 1960                         Office Number: 923




Assist. Prof. Hasibe AYSAN (Ph.D.)

Hasibe Aysan graduated from Marmara University, Department of Business Administration in 2003 in first place. Between 2003 and 2012, she completed her master's degree in Istanbul during her professional career in the banking sector, where she has gained experience in international trade and foreign exchange, country loans, letters of guarantee, and domestic loans. Aysan completed her PhD in Management and Organization at Ankara Yildirim Beyazit University in 2019 and has worked in the fields of organizational theory, legitimacy and legitimation processes, professional division and history of business administration.

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Assist. Prof. Neşe ERBİL (Ph.D.)

Nese Erbil has been leading global dairy market research at Olam International Limited for the last 4 years. For most of her career, she has worked on commodity research in international organizations and multinational companies such as the World Bank and the International Monetary Fund. She graduated from METU Computer Engineering and holds a Master's degree in International Banking and Finance from the University of Birmingham and a PhD in Economics from York University.

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Research Assistant Seray YEŞİLIRMAK

Seray Yeşilırmak graduated from Gazi University, Faculty of Economics and Administrative Sciences, Department of International Trade in 2018. Immediately after her undergraduate degree in 2018, she started her Master's Degree at Ankara University, Master of Business Administration. At the same time, she worked in the foreign trade departments of various companies in the fields of export and international marketing. After completing her master's degree with thesis titled "Analysis of Micro Factors that Determining the Exporter Characteristics of SMEs: A Mixed Method Research on OSTİM Clusters", she started her doctorate studies at Ankara University, Business Administration in 2021. Research Assistant Seray Yeşilırmak also continues to work as an Assistant Specialist at the OSTİMTECH Entrepreneurship and Leadership Application and Research Center.

E Mail:                 Direct Number: +90 312 386 10 92 / 1961                Office Number: 924