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Leadership at MARKEL GROUP
Browse executives, board members, and key leadership.
Executives at MARKEL GROUP
Thomas S. Gayner
Chief Executive Officer
CEO
Executive
Board
Brian J. Costanzo
Chief Financial Officer
Executive
Michael R. Heaton
Executive Vice President and Chief Operating Officer
Executive
Richard R. Grinnan
Senior Vice President, Chief Legal Officer and Secretary
Executive
Simon Wilson
Chief Executive Officer, Markel Insurance
Executive
Board Members at MARKEL GROUP
A. Lynne Puckett
Director
Board
Diane Leopold
Director
Board
Greta J. Harris
Director
Board
Harold L. Morrison, Jr.
Director
Board
Jonathan E. Michael
Director
Board
Lawrence A. Cunningham
Director
Board
Mark M. Besca
Director
Board
Michael O’Reilly
Lead Independent Director
Board
Morgan E. Housel
Director
Board
Steven A. Markel
Chairman of the Board
Board