Dexrex held intellectual property in the instant messaging compliance, recording, and retrieval space. Ascension Technology Group Board Member November 2012 - April 2016 (3 years 6 months) ATG was a cloud technology managed services provider. Successful exit in a private transaction. Sigma Systems Advisory Board January 2008 - August 2015 (7 years 8 months) Sigma Systems OSS systems for the communications industry. Advice on technology, business, and exit strategy. Successful restructure with Birch Hill Equity Partners in 2015 leading to exit to Hansen Technologies in 2019. Internet Society Member of the Board of Trustees May 2009 - May 2015 (6 years 1 month) International, diverse board. ISOC promotes the development of the Internet. $81MM annual budget; established $59MM Foundation Endowment. Selected new CEO and executed transition. Chair of Audit Committee. NeuStar CTO June 2009 - June 2010 (1 year 1 month) Set NeuStar's forward-looking technology and service strategy and devising the architecture to help strengthen the company's position by developing new services and solutions. Oversee the early stages of new technology development, and work closely with NeuStar's Operations team to drive the successful launch and commercialization of future IP services. Dramatically improved intellectual property generation and bringing technology from lab to market. Mobera Systems Advisory Board January 2000 - January 2010 (10 years 1 month) BEA Systems, Inc. Page 6 of 9