Ameren Leadership
Our leaders guide us in initiatives focused on safety, reliability and energy efficiency.
Ameren Corporation
Lyons25

Martin J. Lyons Jr.

Chairman, President and Chief Executive Officer, Ameren Corporation

Moehn25

Michael L. Moehn

Senior Executive Vice President and CFO, Ameren Corp.; President, Ameren Services

Birk25

Mark C. Birk

Chairman and President, Ameren Missouri

Schukar25

Shawn E. Schukar

Chairman and President, Ameren Transmission Company of Illinois
Singh25

Leonard "Lenny" Singh

Chairman and President, Ameren Illinois
Lindgren25

Mark C. Lindgren

Executive Vice President, Communications and Chief Human Resources Officer, Ameren Services
Mizell25

Gwen G. Mizell

Senior Vice President and Chief Sustainability Officer, Ameren Services
Ameren Illinois
Singh25

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
Smith25

Patrick Smith Sr.

Senior Vice President, Operations and Technical Services
Tomc25

Matthew Tomc

Vice President, Regulatory Policy and Energy Supply

Luke Wollin

Vice President, Electric Operations and Distribution
Ameren Missouri
Birk25

Mark C. Birk

Chairman and President, Ameren Missouri

Ryan M. Arnold

Vice President, Power Operations and Trading
Arora25

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
Lasfer25

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