Roger W. Crandall
Chairman, President and Chief Executive Officer
Massachusetts Mutual Life Insurance Company,
Springfield, Massachusetts
Board Committees: Executive (Chair), Investment and Technology & Governance
Karen Bechtel
Managing Director, Retired
The Carlyle Group, New York, New York
Board Committees: Audit and Investment
Mark T. Bertolini
Former Chairman and Chief Executive Officer
Aetna Inc., Hartford, Connecticut
Board Committees: Executive, Human Resources (Chair) and Technology & Governance
Kathleen A. Corbet
Founder and Principal
Cross Ridge Capital, LLC, New Canaan, Connecticut
Former President
Standard & Poor’s, New York, New York
Board Committees: Investment and Technology & Governance
James H. DeGraffenreidt, Jr.
Chairman and Chief Executive Officer, Retired
WGL Holdings, Inc., Washington, D.C.
Board Committees: Audit and Human Resources
H. Todd Stitzer
Lead Director
Massachusetts Mutual Life Insurance Company
Springfield, Massachusetts
Former Chief Executive Officer
Cadbury PLC, London, United Kingdom
Board Committees: Audit, Executive and Investment
Isabella D. Goren
Former Chief Financial Officer
American Airlines, Inc. and AMR Corporation, Fort Worth, Texas
Board Committees: Audit (Chair), Executive, and Investment
Shelley B. Leibowitz
President and Founder
SL Advisory, LLC, Stamford, CT
Former Chief Information Officer
The World Bank, Washington, DC
Board Committees: Investment and Technology & Governance
Jeffrey M. Leiden, M.D., Ph.D.
Executive Chairman, Former President and Chief Executive Officer
Vertex Pharmaceuticals Incorporated, Boston, Massachusetts
Board Committees: Executive, Human Resources and Technology & Governance (Chair)
Laura J. Sen
Former Non-Executive Chairman and Former Chief Executive Officer
BJ’s Wholesale Club, Inc., Westborough, Massachusetts
Board Committees: Human Resources and Technology & Governance
William T. Spitz
Principal, Co-Founder and Director
Diversified Trust Company, Nashville, Tennessee
Vice Chancellor for Investments Emeritus
Vanderbilt University, Nashville, Tennessee
Board Committee: Audit, Executive and Investment (Chair)