Michael G. Grey

MICHAEL G. GREY joined Trega in January 1999 as President and Chief
Executive Officer of the company. Prior to joining the company, Mr. Grey
was the President of BioChem Therapeutic, Inc., the pharmaceutical
operating division of BioChem Pharma Inc., from November 1994 to August
1998. In that role, he was responsible for all company operations,
including research, development, sales and marketing, finance and human
resources. During 1994, Mr. Grey was the President and Chief Operating
Officer for Ansan, Inc. From 1974 to 1993, Mr. Grey served in various
roles with Glaxo Inc. and Glaxo Holdings, Plc., culminating in his
position as Vice President of Corporate Development. Mr. Grey serves on
the Board of Directors of Cortex Pharmaceuticals, Inc., Epimmune Inc.
and ChemNavigator.com, Inc. Mr. Grey received a BS in Chemistry from the
University of Nottingham, England.