John W. Lyle

JOHN W. LYLE has served as President and Chief Executive Officer and a
Director of the Company since its formation in January 1992. Mr. Lyle
served as President and Chief Executive Officer of OmniCorp Holdings,
Inc., in 1991. Prior to founding the Company, Mr. Lyle was one of the
founders of Osteotech, Inc., a public orthopedic pharmaceutical company
formed in 1986. He served as Osteotech, Inc.’s Chairman and Chief
Executive Officer from 1989 to 1991 and as President from 1986 to 1989.
From 1981 to 1986, Mr. Lyle served as President of CIBA-GEIGY
Corporation’s Self Medication Division. From 1975 to 1981, Mr. Lyle held
various positions at Johnson & Johnson. Mr. Lyle holds a B.S. in
Marketing Management and a M.B.A. in General Management, both from the
University of Southern California.