Pierre Legault, BAA, MBA, CA3
Executive Vice President, Chief Financial Officer and Treasurer

Mr. Legault is Executive Vice President, Chief Financial Officer and Treasurer of OSI Pharmaceuticals. Mr. Legault has over 20 years of senior management experience in the pharmaceutical industry including several senior positions at Sanofi-Aventis and Aventis, most notably Worldwide President of Sanofi-Aventis Dermatology and Senior Vice President and Chief Financial Officer of Aventis Pharmaceutical North America.

Prior to joining OSI, Mr. Legault was at Rite Aid Corporation where he was Senior Executive Vice President and Chief Administrative Officer following his instrumental role in the 2007 merger of Eckerd into Rite Aid. Mr. Legault served as Executive Vice President of The Jean Coutu Group, running its Brooks Eckerd operations in the United States from January 2006 until June 2007. Prior to his time at Sanofi-Aventis and Aventis, he was Global Senior Vice President Finance and Treasurer of Hoechst Marion Roussel and Chief Financial Officer of Marion Merrell Dow (North America).

Mr. Legault is a Board member of numerous corporations and belongs to several professional associations, including the Finance Executive Institute and the Canadian Institute of Chartered Accountants.