Leo Spiegel is a Managing Partner at Mission Ventures, a Southern California venture capital firm that invests in early stage IT companies.  Prior to joining Mission Ventures, Leo Spiegel was President of Digital Island, Inc., a leading provider of global e-business network and content delivery services. Leo joined Digital Island as a result of a merger with Sandpiper Networks, Inc., the world's first content delivery service provider for the Internet, where he was the Chairman, President, and Chief Executive Officer. In 2000, Leo won the Ernst & Young Entrepreneur of the Year Award for the greater Los Angeles metropolitan area.

Prior to his leadership of Sandpiper Networks, Leo served as Senior Vice President and CTO of Donnelley Enterprise Solutions Incorporated, an information management firm specializing in systems integration, outsourcing and software development. Leo was the co-founder, EVP and CTO of LANSystems, a network utilities software developer and international systems integration firm, which was sold to Intel Corporation and R.R. Donnelley & Sons Company.

Leo is a Director of Akonix Systems, Greenplum, Mochilla, ProQuo, RotoHog, Slacker, and Vativ Technologies. Leo is a graduate of the University of California, San Diego with a BA in Management Sciences. Leo is a member of the Dean's Advisory Council at the Rady School of Management at UCSD.