George W. Dunbar

GEORGE W. DUNBAR, JR. joined the company as President, CEO and Director
in 1991. Prior to joining the company, and from 1988, he was Vice
President, Licensing and Business Development for The Ares-Serono Group,
a Swiss health care company, where he established a licensing and
acquisition group. From 1974 until 1987, he held various senior
management positions with Amersham International, a health care and life
sciences company, where he most recently served as Vice President for
its Life Sciences business in North America. Mr. Dunbar also served as
Amersham’s General Manager for Pacific Rim markets and Eastern Regional
operations and, prior to that, managed the international marketing of
Amersham’s medical and industrial radiosotopes. Mr. Dunbar also serves
as a director of DepoTech Corporation, a drug delivery company, LJL
Biosystems, a medical device company, Sonus Pharmaceuticals, Inc., and
The Valley Medical Center Foundation. Mr. Dunbar received a B.S. in
electrical engineering and an M.B.A. from Auburn University and sits on
the Auburn School of Business M.B.A. Advisory Board.