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Management Team

Doug Tsui, Venture Partner

Doug Tsui PhotoDoug is a networking industry veteran with over 15 years of marketing and business development experience and 14 years in venture capital management. He has broad knowledge and investment experience in the data networking, multimedia, and Internet Infrastructure area.

Doug’s prior operational roles included serving as VP of Marketing for Precept Software, a network video software company which was acquired by Cisco Systems in 1998. He was also VP of marketing and business development for First Virtual Communications. Prior to FVC, Doug was a senior business executive for the early years of Cisco Systems, 3Com/Bridge Communications, and Hewlett-Packard.

Doug has funded and worked with numerous high-tech startup companies as an angel investor prior to Horizon Ventures. He invested in companies such as AudioTalk(acquired by HearMe), Vertex Networks (acquired by Mitel Corp.), Rapidstream (acquired by WatchGuard), and Centrum Communications (acquired by 3Com).

Doug holds a B.S.E.E. degree from the University of California, Berkeley and a MBA degree from Santa Clara University. He is the past president and board member of the Asia America MultiTechnology Association (AAMA) and a current board member of Hong Kong-SV.com, a non-profit organization based in Silicon Valley.

Active Investments:
Venturi Wireless

Select Prior Investments:
AudioTalk, InterVideo, RapidStream, Vertex Networks


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Horizon Ventures
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