Mr. Randall has spent over 25 years in the technology and computer networking industry as an entrepreneur, senior executive and venture capitalist. He was a founding partner at Vesbridge Partners and a General Partner at St. Paul Venture Capital, where he led the mobile investment practice. Previously, Mr. Randall was CMO of Lucent Technologies, and was Vice President of Marketing at Ascend.

Prior to that, Mr. Randall was Vice President of Worldwide Marketing at Stratus Computer and General Manager of its SS7 business, and was Vice President of Strategic Market Development at Madge Networks, following its 1996 acquisition of Teleos Communications. Mr. Randall had co-founded Teleos in 1987 and served many roles including CTO, Vice President of Marketing and Business Development and Vice President of WAN Access Technology. He began his career at AT&T Bell Labs and holds several U.S. patents. Currently, he is a member of the Board of Directors of Mavenir, PGi and Stratus Technologies. Mr. Randall is a member of the Board of Overseers of PBS TV producer and broadcaster WGBH. Mr. Randall was previously a member of the Board of Directors of TNS, Tekelec, Airvana, Bytemobile, Bitfone, Snowshore, Teltier Technologies, ProQuent, FusionOne, Dynamicsoft and VisageMobile.