Mr. Gregg joined Vasogen’s Board of Directors in 1999, was appointed Vice Chairman in November 2005, and became Chairman of the Board in March 2006. Between March and June 2007, he served as the Interim Chief Executive Officer of the Company.

Mr. Gregg currently serves as President and Chief Executive Officer of DexCom, Inc. In 1996, Mr. Gregg was appointed President and Chief Operating Officer of MiniMed Inc., now a world leader in insulin pump therapy and continuous glucose monitoring, and he was instrumental in Medtronic’s US$3.4 billion acquisition of the company in 2001. He retired as President of Medtronic MiniMed in 2002. He also served in executive positions with Smith & Nephew plc, a diversified healthcare product company, and Allergan, Inc., a leading ophthalmic device and pharmaceutical company. He is currently a Special Venture Partner with Galen Associates, a private equity firm specializing in the healthcare sector, serves on the boards of DexCom, Inc. and LMS Medical Systems, Inc., and is Executive Chairman of Patton Medical Devices, LC. Mr. Gregg also served on the Board of Ocular Sciences, Inc., which was purchased by The Cooper Companies, Inc. for US$1.2 billion.