David Skok joined Matrix Partners as a General Partner in May 2001. He has a wealth of experience running companies. David started his first company at age 22. Since then David has founded a total of four separate companies and performed one turn around. Three of these companies went public. He joined Matrix from SilverStream Software, which he founded in June 1996. Prior to its acquisition by Novell, SilverStream was a public company that had reached a revenue run rate in excess of $100m, with approximately 800 employees and offices in more than 20 countries around the world. David’s work as a value added investor is best known for helping JBoss, Netezza, AppIQ, CloudSwitch, Tabblo, GrabCAD and Diligent Technologies to successful exits. David serves on the boards of CloudBees, Digium, Enservio, HubSpot, OpenSpan, Storiant and VideoIQ. He is also an investor in Meteor. David writes a blog for entrepreneurs and startups on topics such as viral marketing, SaaS metrics, building a sales and marketing machine, techniques for lowering cost of customer acquisition, etc. The blog can be found here: www.forEntrepreneurs.com. He holds a B.Sc Honors Degree in Computer Science from the University of Sussex, England. In addition to his broad focus on enterprise software, David has specific focus on the areas of Cloud Computing, Open Source software, Software as a Service, virtualization and utility computing products for the data center. Specialties: Currently focused on investing in software and Internet startups, with specific interest on SaaS, Open Source, and companies that are leveraging the web to create new business models.

Board Member and Investor @ From 2009 to Present (6 years) Board Member @ From 2008 to Present (7 years) Board Member @ From 2006 to Present (9 years) Partner @ From May 2001 to Present (14 years 6 months) General Partner @ From May 2001 to Present (14 years 6 months) Board Member @ From 1994 to December 2011 (17 years) Board Member and Lead Investor @ From 2003 to 2006 (3 years) Investor and Board Member @ From 2002 to 2005 (3 years) Chairman and Founder @ From June 1996 to April 2001 (4 years 11 months) Chairman, Founder, CEO @ From 1996 to 2001 (5 years) Founder and CEO @ From December 1992 to June 1996 (3 years 7 months) CEO of Watermark @ From 1995 to 1996 (1 year) CEO and Founder @ From 1993 to 1995 (2 years) CEO @ From July 1990 to April 1993 (2 years 10 months) CEO @ From August 1986 to June 1990 (3 years 11 months) CEO / Managing Director @ From 1986 to 1990 (4 years)

BSc, Computer Science @ University of Sussex From 1972 to 1976 Harrow School From 1967 to 1971 David Skok is skilled in: Start-ups, SaaS, Open Source, Cloud Computing, Enterprise Software, Business Modeling, Virtualization, Venture Capital, Online Marketing, Social Media, Business Strategy, Marketing Strategy, Customer Relations, Strategic Planning, Product Strategy, Team Building, Product Development, Entrepreneur, HubSpot, Entrepreneurship, Product Management, Strategy, Strategic Partnerships, New Business Development, Business Development, Mergers, Go-to-market Strategy, E-commerce, Mergers & Acquisitions, Mobile Applications, Mobile Devices, Product Marketing, Leadership, Management, Security, Executive Management, Competitive Analysis