Management

Feyzi Çelik is an industry visionary and an inventor at heart, having earned six patents and ten pending patents on OnePIN technology, including CallerXchange, which allows people to manage contact information with one click from their mobile phones. OnePIN’s flagship service, CallerXchange transforms mobile phonebooks into dynamic social address books subscribers use to stay in touch with their growing social network of friends, family and business associates.

Under Çelik’s direction, the company is working with leading telecommunications firms to bring OnePIN’s cutting-edge technologies into the mobile phones of subscribers worldwide. For mobile operators, OnePIN’s CallerXchange encourages subscribers to make more connections in more ways, boosting revenue.

Prior to founding OnePIN, Çelik served as president and CEO of the North American division of Koc Group, a $39.5 billion Fortune Global 500 company based in Istanbul. He also served as a member of Koc Group’s International Venture Creation and Business Development Team.

Çelik holds a master’s degree in business administration with high distinction from the Babson College Graduate School of Business, a master’s degree in mechanical engineering from Boston University and a bachelor’s degree in mechanical engineering from the Middle East Technical University (METU) College of Engineering.

Christopher DeGrace manages OnePIN’s global product and partnership strategies to ensure CallerXchange continues to be the standard for mobile social address books around the world. He maps product development to emerging international trends so that CallerXchange becomes the primary platform for social networking throughout Central and South America, Europe, Asia and Africa. He also brokers and expands strategic partnerships with key industry players such as Gemalto, the largest SIM card manufacturer in the world. 

DeGrace brings more than ten years of experience in technology solutions design, market development and operations for fast-growing high technology companies to his role at OnePIN.

Prior to OnePIN, DeGrace was managing director for Cyberplex, a publicly held technology consulting and integration firm, where he established the company in the U.S. and Canada to help financial services and technology clients improve business processes.

DeGrace was also a founding member of Internet professional services firm Webworks Worldwide Inc. He has a bachelor’s degree in business administration/computer science from Acadia University in Nova Scotia.

Marcin Nowak directs the company’s engineering operations and is the chief architect of OnePIN’s mobile technology. Nowak has built a world-class software development team that has pioneered unique information exchange applications such as CallerXchange for the mobile industry.

With over ten years of experience, his knowledge spans hardware, software, network operations, application development and Web services.

Prior to OnePIN, Nowak developed software products for the cable and broadband industries at RiverDelta Networks (now a division of Motorola).

Nowak holds a master’s degree in computer science from Poland’s Silesian Technical University.