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Martin J. Lyons Jr.

Chairman, President and Chief Executive Officer, Ameren Corporation
Marty Lyons
Marty Lyons was named president and chief executive officer of Ameren Corporation and a member of the board of directors effective January 1, 2022. Lyons was previously chairman and president of Ameren Missouri, a position he held for two years after previously serving 18 years in a variety of positions within Ameren.

As Ameren Missouri president, Lyons led Missouri's largest investor-owned energy provider through the COVID-19 pandemic. In his time as president, he improved customer satisfaction, safety and operating performance. Lyons was elected executive vice president and CFO of Ameren Corporation in 2009 and additionally, president of Ameren Services in 2015. He was responsible for all aspects of Ameren's financial affairs including investor relations, financial reporting, accounting, tax, treasury and internal audit. He also oversaw strategy, mergers and acquisitions, enterprise risk management, digital information technology, supply chain and corporate nuclear oversight, among other functions.

As CFO, Lyons was responsible for capital allocation and capital markets activities. This included $1.1 billion of equity financing, $8 billion of debt financing and multiple credit facility extensions. During his tenure, Ameren's issuer credit rating at S&P and Moody's improved from BBB to BBB+ and Baa3 to Baa1, respectively. Ameren's market capitalization grew fourfold, which along with a 23% increase in the dividend, produced compound annual total shareholder returns of 15%.

Lyons was instrumental in the strategic decision to reposition Ameren as a pure-play rate-regulated utility. In 2013, he led execution of the sale of the merchant generation business segment.

Lyons earned a Bachelor of Science in business administration accounting from Saint Louis University and holds a master's degree in business administration from Washington University in St. Louis. In addition, he has completed The Advanced Strategy Program at The Chicago Booth School of Business and the Reactor Technology Course for Nuclear Executives at MIT.

Before joining Ameren, Lyons was a partner with PricewaterhouseCoopers LLP. He is a member of the American Institute of Certified Public Accountants and the Missouri Society of Certified Public Accountants.

Lyons is married and has four children. He has been active within the utility industry having been the past chairman of the Finance Committee, Finance Executive Advisory Committee and Chief Accounting Officers Advisory Committee of the Edison Electric Institute. He is involved with various community organizations, which have included the Saint Louis Zoo, City Academy, St. Louis Regional Chamber, the Saint Louis University Chaifetz School of Business, and Washington University Olin School of Business.

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