Executive Bios

Hans Peter Hasler was appointed Executive Vice President in August 2001. He joined Biogen from Wyeth-Ayerst Pharmaceuticals, a subsidiary of American Home Products (AHP) where he worked for eight years, most recently as Senior Vice President, Head of Global Strategic Marketing, corporate headquarters in St. David’s, Pennsylvania. Mr. Hasler also was a member of the Wyeth/AHP Executive Committee and was chair of the Commercial Council. Mr. Hasler has served in senior management capacities including Managing Director, Wyeth Group, Germany and General Manager AHP/Wyeth in Switzerland and Central Eastern Europe with head offices in Vienna, Austria. Prior to joining Wyeth-Ayerst, Mr. Hasler was Head of Pharma Division at Abbott AG, Zug, Switzerland. He graduated with a Federal Commercial Diploma from the Central Authority of the Canton of Bern in Switzerland and in 1993 earned a Marketing Manager Certificate from the Swiss Institute of Business and Economics (SIB), Zurich, Switzerland.