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Senior Management

Ameren Illinois

Lenny Singh

Chairman and President, Ameren Illinois

Leonard "Lenny" Singh is chairman and president of Ameren Illinois, where he is responsible for energy delivery to more than 1.2 million electric and more than 800,000 natural gas customers encompassing 1,200 communities across 43,700 square miles. ( more )

Patrick Smith

Senior Vice President, Operations and Technical Services - Ameren Illinois

Patrick Smith, Sr. is Senior Vice President of Operations and Technical Services for Ameren Illinois. Ameren Illinois serves 1.2 million electric and more than 800,000 natural gas customers in a 43,700-square-mile area of Illinois. ( more )

Jerry Grant Headshot

Vice President, Financial Services - Ameren Illinois

Jerry Grant is Vice President of Financial Services and Performance Management for Ameren Illinois, a subsidiary of Ameren Corporation. Based in Collinsville, Ameren Illinois provides service to 1.2 million electric customers and more than 800,000 natural gas customers across 43,700 square miles in the state of Illinois. ( more )

Vice President, Electric Operations - Ameren Illinois

George Justice is Vice President of Electric Operations for Ameren Illinois. As a member of Ameren Illinois' senior leadership team, Justice is responsible for the oversight of more than 50,000 miles of distribution and transmission power lines for 1.2 million customers and leading the company's electric modernization program.
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Vice President, Gas Operations - Ameren Illinois

Eric M. Kozak is vice president gas operations for Ameren Illinois. Kozak is responsible for the engineering and operations of over 18,200 miles of transmission and distribution gas lines and 12 underground natural gas storage fields.
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Kristol Simms

Vice President Clean Energy Transition, Economic, Community, and Business Development

Kristol Simms is Vice President Clean Energy Transition, Economic, Community, and Business Development for Ameren Illinois Company, a subsidiary of Ameren Corporation. Based in Collinsville, Illinois, Ameren Illinois provides service to 1.2 million electric customers and more than 800,000 natural gas customers across 43,700 square miles in the state of Illinois. ( more )

Matthew Tomc headshot

Vice President Regulatory Policy and Energy Supply - Ameren Illinois

Matthew Tomc is Vice President of Regulatory Policy and Energy Supply for Ameren Illinois Company, a subsidiary of Ameren Corporation. Based in Collinsville, Ameren Illinois provides service to 1.2 million electric customers and more than 800,000 natural gas customers across 43,700 square miles in the state of Illinois. ( more )

Luke Wollin headshot

Vice President, Electric Operations and Distribution - Ameren Illinois

Luke Wollin was named Vice President, Electric Operations and Distribution for Ameren Illinois, Oct. 2, 2023. Luke's team is responsible for delivering safe and reliable electricity to more than 1.2 million customers in Illinois. His team is focused on improvements in safety, storm response, power outage restoration, reliability and customer communication. ( more )

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