Irwin Lerner

Irwin Lerner was the Chairman of the Board of Directors and Executive Committee of Hoffmann-La Roche Inc. ("Roche") (a pharmaceutical company) from January to September 1993 and was the President and Chief Executive Officer of Roche from April 1980 to January 1993 in a thirty-two year career with the firm. Mr. Lerner also was the Chief Executive Officer of Reliant Pharmaceuticals, LLC (a private pharmaceutical company) from July to December 2001. He also is Chairman and a Director of Medarex, Inc. where he also served as Interim President and CEO from November 2006 through June 2007 and a Director of Panacos Pharmaceuticals Inc. (anti-infectives) and Nektar Therapeutics (drug delivery technology). Mr. Lerner has been a member of the Covance Board since 1996.