David F. Marcus

Founded in 1998 by William R. Hambrecht, WR Hambrecht + Co. LLC is a registered broker/dealer headquartered in San Francisco, California. The firm offers a full array of investment services. They provide research that focuses on the (1) Asia-Pacific, biotechnology, business applications and services sectors (2) the China Internet and technology sector (3) consumer (4) enterprise software and Internet (5) gaming technology (6) Internet (7) medical technology (8) nanotechnology (9) networking and data infrastructure (10) semiconductors and devices and (11) specialty pharmaceuticals.

WR Hambrecht & Co. Ventures (WR Hambrecht & Co) is a venture capital subsidiary of WR Hambrecht + Co. LLC founded in 1999 by William Robert Hambrecht and Igor M. Sill. The firm is headquartered in San Francisco, California.