David Clark joined Prolexys Pharmaceuticals, Inc. as President and Chief Executive Officer in October 2005. Prior to Prolexys he was Vice President, Corporate Affairs at NPS Pharmaceuticals. At NPS Mr. Clark was involved in business development, funding transactions, investor relations, public relations, and corporate communications. From 1988 until he joined NPS in April 1996, Mr. Clark held the office of Vice President at AgriDyne Technologies, Inc. with responsibilities for business development and administration. He was responsible for financial analysis and assisted in property acquisitions and financing for Clark Financial Corporation, a private investment firm in Salt Lake City, Utah, from 1983 to 1988. From 1980 to 1983 he worked in division management and financial analysis and control at the UI Group in Kennewick, Washington. He holds a B.S. in botany from BrighamYoungUniversity, an M.S. in agronomy with an emphasis in plant genetics from the University of Illinois, and an M.B.A. from the University of Utah. Mr. Clark is a founding trustee of the Utah Life Science Association and is currently Vice Chairman of the Board of Trustees of the Utah Technology Council. He and his wife Christine are the parents of six children and the grandparents of seven grandchildren. In addition to family activities he enjoys skiing, golf and personal fitness.