Lyons to become president and CEO of Ameren, replacing Baxter

Marty Lyons Ameren
Marty Lyons

Ameren Corporation’s Board of Directors has elected Warner Baxter, current chairman, president and chief executive officer, as executive chairman, effective Jan. 1, 2022. Concurrently, Marty Lyons has been elected president and CEO of Ameren and a member of the board, also effective Jan. 1.

“Marty is an outstanding leader and is uniquely qualified to lead Ameren during this transformational period in our industry,” Baxter said. “The board is confident that his extensive operational and financial expertise, coupled with his strong strategic mindset and engagement with key stakeholders, will enable Ameren to continue delivering strong value to our customers, communities and shareholders. I look forward to continuing to work closely with him in his new role.”

Lyons joined Ameren in 2001 as vice president and controller. He has served as chief financial officer for 10 years, president of Ameren Services and currently president of Ameren Missouri. Lyons has gained extensive strategic, operational, financial, risk management and regulatory experience. He has also been active in the Edison Electric Institute (EEI) and Nuclear Energy Institute (NEI), as well as several community organizations.

“I am grateful for and humbled by the opportunity to lead Ameren during this exciting period of time for our company and industry,” Lyons said. “I am also honored to follow in Warner’s footsteps. He has led our team to execute on a strategy that has delivered significant value to our customers and shareholders. Working with our dedicated co-workers at Ameren, we will remain focused on successfully executing this strategy in the future.”

Richard Harshman, independent lead director of the Board of Directors, said: “This leadership transition is consistent with Ameren’s robust succession planning process. The Board of Directors strongly believes that Marty will provide excellent leadership at Ameren and, working with our deep bench of leaders, deliver superior value to our shareholders and customers. On behalf of the Ameren Board of Directors, I also want to thank Warner for his outstanding and continued leadership. His track record as CEO in delivering strong, long–term value to our customers, communities and shareholders has been exemplary, while at the same time, he has provided strong leadership in the utility industry as it undergoes major transformation. We are pleased that he will remain as executive chairman of our board and continue to help shape the future direction of Ameren and the industry.”

Baxter joined Ameren in 1995 and served in senior leadership roles, including chief financial officer and president of Ameren Missouri. He was named chairman, president and CEO in 2014. Under his leadership, Ameren executed a strategy focused on robust energy infrastructure investments that are delivering a strong long-term sustainability value proposition for customers, communities and shareholders. Ameren has established a goal and is executing a plan to achieve net-zero carbon emissions by 2050, has delivered significantly better customer reliability at electric rates that are about 25% below the national average, and delivered total shareholder returns since the end of 2013 of about 190%. He is vice chairman of EEI and on the Electric Power Research Institute’s (EPRI) Executive Committee. He is a member of the board of directors of U.S. Bancorp and BJC Healthcare and vice chair of the American Cancer Society’s Coaches vs. Cancer Council.

Baxter will remain an employee of Ameren, and Lyons will report to him. Working closely with Lyons, Baxter will oversee key strategic matters, including energy policy issues and the company’s transition to a cleaner energy future. He will remain actively engaged in key energy and economic policy matters.

St. Louis-based Ameren powers the quality of life for 2.4 million electric customers and more than 900,000 natural gas customers in a 64,000-square-mile area through its Ameren Missouri and Ameren Illinois rate-regulated utility subsidiaries. The company has a net generation capacity of 10,200 MW, with three hydroelectric facilities: 148-MW Keokuk, 235-MW Osage and 440-MW Taum Sauk pumped storage.


  • Elizabeth Ingram is content director for the Hydro Review website and HYDROVISION International. She has more than 17 years of experience with the hydroelectric power industry. Follow her on Twitter @ElizabethIngra4 .

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Elizabeth Ingram is content director for the Hydro Review website and HYDROVISION International. She has more than 17 years of experience with the hydroelectric power industry. Follow her on Twitter @ElizabethIngra4 .

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