Primary Job Title Board of Director Primary Organization 
EXA Ventures
Gender Male
John J. Shields III has served as a member of our Board of Directors since 1996 and our Chairman since 1999. Mr. Shields has served as a general partner of Boston Capital Ventures since 1997. Prior to assuming that position, Mr. Shields was the President and Chief Executive Officer of Computervision Corporation, a provider of computer-aided design
and manufacturing software that was acquired by PTC in 2001. Mr. Shields joined Computervision in January 1990 after 28 years at Digital Equipment Corporation, where his last position was Senior Vice President responsible for sales, services, marketing, and international organizations. Mr. Shields was a member of Digital Equipment Corporation's Executive Committee and Chairman of its Marketing and Sales Strategy Committee.
