Healthcare >> CEO Interviews >> March 8, 2004

DAVID KEISER – ALEXION PHARMACEUTICALS INC (ALXN)

DAVID W. KEISER has been President and Chief Operating Officer and a Director of Alexion pharmaceuticals, Inc., since April 2002. He was Executive Vice President and Chief Operating Officer at the company from 1992 to 2002. From 1990 to 1992, Mr. Keiser was Senior Director of Asia Pacific Operations for G.D. Searle & Company Limited, a manufacturer of pharmaceutical products. From 1986 to 1990, Mr. Keiser held senior licensing and business development positions at Searle. From 1978 to 1985, Mr. Keiser held international pharmaceutical operations, general management and business development positions with Hoffmann La Roche and then Mundipharma AG, located in Basel, Switzerland. Mr. Keiser received his BA from Gettysburg College. Profile
TWST: Would you begin with a brief historical sketch of Alexion

Pharmaceuticals and then a picture of the things that are most important

at the present time?

Mr. Keiser: Alexion develops