CHI Board of Directors

CHI Chairman
Carl W. Hull
President and Chief Executive Officer
Gen-Probe Incorporated

CHI President and CEO
David L. Gollaher, Ph.D.
California Healthcare Institute

CHI Board of Director Committees

Chairman, CHI Finance Committee
Tracy T. Lefteroff
National Life Sciences Partner
PricewaterhouseCoopers

Chairman, CHI Audit Committee
Christian W. Nolet
Partner and Life Sciences Industry Leader, West Region
Ernst & Young

Chairman, CHI Development Committee
Peter G. Milner, M.D., F.A.C.C.
President, Co-Founder and, Member Board of Directors ARYx Therapeutics, Inc.
ARYx Therapeutics, Inc.

Chairman, CHI Nominating and Governance Committee
John C. Martin, Ph.D.
Chairman and CEO
Gilead Sciences