George F. Horner

GEORGE F. HORNER III, has served as President and Chief Executive
Officer and a member of the Board of Directors of Versicor, since 1996.
Prior to joining Versicor, Mr. Horner was Corporate Vice President of
Ligand Pharmaceuticals from 1993 to 1995. He also served in a number of
executive positions during his 17 years at Abbott Laboratories from
1976 to 1993, including Vice President, Abbott International; President,
Canada; Regional Director, Latin America; General Manager, Mexico;
General Manager, Southern Africa Region; and Regional Manager, Southeast
Asia. From 1967 to 19976, Mr. Horner served in a number of sales and
product management positions at E.R. Squibb, Inc.