Robert H. Hambrecht

Castelle developed and marketed specialized network servers. It provided hardware and software solutions for integrating fax, email, network printing, unified messaging, fax broadcasting, and information-on-demand. The firm products included FaxPress, FaxPress Premier, and FaxPress Enterprise integrate fax with email, desktop, and back-end applications. Castelle was founded in 1987 and was headquartered in Morgan Hill, CA.

Hambrecht & Quist Venture Partners is a venture capital firm founded in 1983. The firm is headquartered in San Francisco, California.

ClickFacts Inc. provided security products and software-as-a-service solutions for internet advertisers and website visitors. The company was founded by Greg Gurevich, Mikhail Gurevich, Michael Caruso, and Mikhail Ledvich in 2005 and headquartered in San Francisco, CA.

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.

Kranenburg Capital Management LLC (Kranenburg Capital Management) is a private equity firm founded by Philip Kranenburg in 1995. The firm is headquartered in San Rafael, California.