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description
Tuff Yen is the founder and President of Seraph Group, a professionally managed angel investment fund group that invests in seed and early stage private enterprises by leveraging its proprietary network of more than 300 successful business leaders and entrepreneurs.

Yen spent his career as a scientist and a professional investor. He worked as a venture capitalist with Hambrecht & Quist's venture fund ("HQAP") in San Francisco as well as Chemical Bank’s venture arm in New York City. During this period, he worked on investments in a broad range of businesses including industrial manufacturing, distribution, entertainment, publishing, information technology, Internet, medical and life sciences. Prior to joining the VC community, Yen was a bioengineer with Genentech and worked at Amgen, two leading biotechnology pioneers. He received his Masters in Business Administration from the Yale School of Management and his Bachelor degree in Arts in Microbiology and Immunology from the University of California Berkeley.

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