David Finkelstein

Co-Founder and Chief Executive Officer

David is a serial entrepreneur and founder of numerous Internet companies dating back to 1994. He founded National Internet Source, Inc. in 1994 and sold it in 2000 to US Cable Corporation. He also co-founded Contextuads, FreeAirMiles.com, Triplejack and Dynaprice. David is responsible for all day-to-day operations at BDEX. He has a passion for all things data, enjoys tennis, kayaking, the beach and spending time with his family, and is a member of Entrepreneurs’ Organization.


Michael Aronov

Co-Founder & Chief Data Officer

Mike has over 25 years experience in the technology field and helped David build one of the first Internet Service Providers in the country. (National Internet Source, Inc.) Mike is the co-founder of BDEX along with David and serves as Chief Data Officer, responsible for steering the overall architecture and direction for the BDEX platform. Mike is also responsible for customer and technical support.


Stephen McKain

Co-Founder & Chief Technology Officer

Stephen is the Chief Architect of the BDEX platform and leads the software development operations and platform testing at BDEX.  He has over 20 years of technology experience in leading both the development and testing of software applications for companies such as Microsoft, Apple and Eastman Kodak.  Some of his accomplishments include Picture It, Microsoft Office, Microsoft Search Server, SharePoint and Surface 2.


Keith Sayewitz

Chief Marketing Officer & Head of Sales

Keith leads the Sales & Marketing team at BDEX and has over 20 years of experience across Industry and Management Consulting assisting Fortune 500 companies to achieve their goals.  Some of Keith’s roles prior to joining BDEX include owner of his own consulting company, which included customers such as AIG and DHL.  Keith was also COO of Sotheby’s International Realty in Miami as well as a management consultant for KPMG.

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Craig Fleischman


Fleischman is an accomplished leader and engineer with more than 25 years of product development experience. He has launched numerous global products and services and has vast experience in product management, operations, engineering, customer satisfaction and quality. Fleischman served as an executive leader at Microsoft holding product and technology positions that included: Microsoft Office, Enterprise Hardware & Products, Microsoft Windows, Mobile Device Management solutions, and Public Cloud based services.


Michael Nassirian


Michael is a Partner level Manager with almost 19 years experience at Microsoft. His test engineering and International compatibility and compliance expertise have made him a valuable asset to Microsoft and an outstanding resource to BDEX.