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Leadership at AMEREN
Browse executives, board members, and key leadership.
Executives at AMEREN
Martin J. Lyons, Jr.
Chairman, President and Chief Executive Officer
CEO
Executive
Board
Fadi M. Diya
Senior Vice President and Chief Nuclear Officer, Ameren Missouri
Executive
Gwendolyn G. Mizell
Senior Vice President and Chief Sustainability Officer
Executive
Leonard P. Singh
Chairman and President, Ameren Illinois
Executive
Mark C. Lindgren
Executive Vice President, Corporate Communications, and Chief Human Resources Officer
Executive
Michael L. Moehn
Senior Executive Vice President and Chief Financial Officer
Executive
Shawn E. Schukar
Chairman and President, ATXI (Ameren Transmission Company of Illinois)
Executive
Stephen C. Lee
Vice President, Interim General Counsel and Secretary
Executive
Theresa A. Shaw
Senior Vice President, Finance, and Chief Accounting Officer
Executive
Board Members at AMEREN
Catherine S. Brune
Director
Board
Craig S. Ivey
Director
Board
Cynthia J. Brinkley
Director
Board
Ellen M. Fitzsimmons
Lead Independent Director
Board
Leo S. Mackay, Jr.
Director
Board
Rafael Flores
Director
Board
Richard J. Harshman
Director
Board
Steven H. Lipstein
Director
Board
Steven O. Vondran
Director
Board
Ward H. Dickson
Director
Board