Ameren Leadership
Our leaders guide us in initiatives focused on safety, reliability and energy efficiency.
Ameren Corporation
Martin J. Lyons Jr.
Chairman, President and Chief Executive Officer, Ameren Corporation
Michael L. Moehn
Senior Executive Vice President and CFO, Ameren Corp.; President, Ameren Services
Mark C. Birk
Chairman and President, Ameren Missouri
Shawn E. Schukar
Chairman and President, Ameren Transmission Company of Illinois
Leonard "Lenny" Singh
Chairman and President, Ameren Illinois
Mark C. Lindgren
Executive Vice President, Communications and Chief Human Resources Officer, Ameren Services
Gwen G. Mizell
Senior Vice President and Chief Sustainability Officer, Ameren Services
Ameren Illinois
Leonard "Lenny" Singh
Chairman and President, Ameren Illinois
Jason Klein
Vice President, Electric Operations and Technical Services
Eric M. Kozak
Vice President, Gas Operations
Kristol Simms
Vice President, Clean Energy Transition, Economic, Community, & Business Development
Patrick Smith Sr.
Senior Vice President, Operations and Technical Services
Matthew Tomc
Vice President, Regulatory Policy and Energy Supply
Luke Wollin
Vice President, Electric Operations and Distribution
Ameren Missouri
Mark C. Birk
Chairman and President, Ameren Missouri
Ryan M. Arnold
Vice President, Power Operations and Trading
Ajay K. Arora
Senior Vice President, Chief Development Officer
John G. Beck
Site Vice President, Ameren Missouri Callaway Energy Center
Kevin DeGraw
Vice President, Renewable Projects and Construction
Tim Lafser
Senior Vice President, Energy Delivery and Operations and Technical Services
Tara K. Oglesby
Vice President, Energy Solutions and Business Development
Kent C. Scott
Senior Vice President and Chief Nuclear Officer, Ameren Missouri Callaway Energy Center
Christopher Stumpf
Vice President, Engineering Design and Project Management