Frederick Frank
Vice Chairman
Lehman Brothers, Inc.

Alain Mérieux
Co-founder, bioMérieux
CEO of Mérieux Enterprises (ACCRA)

Sanford Robertson
Co-founder, Robertson, Stephens & Company
Partner, Francisco Partners, LP (current position)

William J. Rutter
Co-founder, Chiron, Inc.
Refer to Executive Management Team biography.

Jack W. Schuler
Former President, Abbott Laboratories
Chairman, Stericycle, Inc.
Chairman, Ventana, Inc.