About OZman Group

The OZman Group, LLC is a consulting company with the primary focus of locating, establishing, developing and enhancing sustainable, bilateral economic relationships between the United States and Turkey. Our objective is to find the proper strategic and viable partners for the companies and industries we have been entrusted to represent. The OZman Group, LLC is dedicated to solely working with the highest quality of products and services.

Management Team The People Who Manage OZman Group


Kemal Oğuz Kalafat


Dr. Kalafat is the co-founder of the American Turkish Business Development Council and served as its Vice President for four years. As a co-founder and managing partner of the OZman Group, he brings 15 years of experience in healthcare administration and the medical industry, in both the U.S. and Turkey.


Richard Perreault


Richard Perreault is an investment banker with extensive manufacturing industry management experience. He worked at both Magna International and Lear Corporation where he was responsible for executing transactions in the U.S., Canada, U.K. and Italy with enterprise values exceeding US$1B, in the aggregate.


Christopher William Osman

Managing Partner

A strong relationship builder, Christopher focuses on developing markets in Latin America and the ECOWAS by bridging a well-built U.S. network with strategic international business partners. He is a co-founder and managing partner of the OZman Group, LLC.


Nebojsa Vasa Zimonjic

MS, LCPC, Managing Partner

Zima has been working as a clinician and as Program Director of an outpatient mental health clinic in two locations with multi-million dollars in annual revenue. He is a co-founder and managing partner of the OZman Group, LLC.


Arthur Timothy Summerville III

Managing Partner

Arthur Summerville is the current CEO of Medical Innovations, LLC, a medical distribution company with an office in Washington, DC that supports healthcare customers in the U.S., Colombia, the Middle East and West Africa. He is a managing partner in multiple ventures, including two Liberian-based businesses.


Dustin James Keiser

Managing Partner

DJ has built go-to-market strategies for two start-up companies and has extensive experience in big box retail sales, B2B, import/export, DRTV and international sales/marketing. He has conducted business and has consulted in multiple countries including Canada, México, China, and Liberia.


Ibrahim Yildirim


Ibrahim Yildirim is an import/export and business development expert with extensive international experience. He practiced foreign trade both in the States and in Turkey. He started his career as an import and national sales manager in a New York firm in 1989. He has been in business ever since, expanding his territory in South America and Turkey.


Tolga Keskin


Tolga currently resides in México, working as the operational director of an American company that manufactures leathers in México. He previously lived in England for 10 years, working in a food chain business as the managing director.


Our Partners

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2300 Riverside Drive

Green Bay, WI 54301

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