# Martin Lyons

> Martin J. Lyons Jr., known as Marty, is chairman, president and chief executive officer of Ameren Corporation. A former PricewaterhouseCoopers partner, he joined Ameren in 2001 and progressed through financial and operating leadership before becoming CEO in 2022 and chairman in 2023. His civic work includes leading regional fundraising campaigns and establishing an accounting scholarship at Saint Louis University.

- **Role:** Chairman, President and Chief Executive Officer at Ameren Corporation
- **Organizations:** Ameren Corporation, PricewaterhouseCoopers (formerly Price Waterhouse), Saint Louis University, United Way of Greater St. Louis, The Salvation Army Tree of Lights campaign, City Academy, Saint Louis Zoo, Greater St. Louis, Inc., Edison Electric Institute, Institute of Nuclear Power Operations, Nuclear Energy Institute, Energy Insurance Mutual
- **Education:** Bachelor of Science in Business Administration, Accountancy major, Saint Louis University, Master of Business Administration, Washington University in St. Louis, Advanced Strategy Program (executive education), University of Chicago Booth School of Business, Reactor Technology Course for Nuclear Executives (executive education), Massachusetts Institute of Technology
- **Known for:** Appointed Ameren CEO after two decades in financial and operating leadership., Helped execute Ameren’s 2013 merchant generation divestiture as it focused on regulated utilities., Established the Lyons Scholarship in Accounting at Saint Louis University in 2018.

## Career timeline

- **1988** — Graduated from Saint Louis University and joined Price Waterhouse.
- **1997** — Earned an MBA from Washington University.
- **1999** — Admitted to the PricewaterhouseCoopers partnership.
- **2001-10** — Joined Ameren as controller.
- **2003** — Became vice president.
- **2008** — Became senior vice president and principal accounting officer.
- **2009** — Became chief financial officer.
- **2013** — Became executive vice president and CFO; helped execute the merchant generation divestiture.
- **2016** — Elected chairman and president of Ameren Services, alongside his CFO responsibilities.
- **2019-12** — Became chairman and president of Ameren Missouri.
- **2022-01-01** — Became president and CEO of Ameren Corporation and joined its board.
- **2023-11-02** — Added the role of chairman of the Ameren board.

## Achievements

- Appointed Ameren CEO after two decades in financial and operating leadership.
- Helped execute Ameren’s 2013 merchant generation divestiture as it focused on regulated utilities.
- Established the Lyons Scholarship in Accounting at Saint Louis University in 2018.
- Co-chaired the Salvation Army’s 75th Tree of Lights campaign in 2022.
- Chaired the United Way of Greater St. Louis Community Campaign in 2023.
- Received Saint Louis University’s 2026 Alumni Merit Award for the Richard A. Chaifetz School of Business.

## Latest updates

- **2026-10** — Ameren announced $10 million in additional funding for customer assistance programs on October 14; this was a company announcement, not a personal donation by Lyons.
- **2026-07** — In Ameren’s second-quarter results, Lyons emphasized grid reliability, a diverse energy portfolio, cost-effective service and economic growth.
- **2026-05** — Recognized among Saint Louis University’s 2026 Alumni Merit Award recipients.

## Links

- Website: https://www.ameren.com
- LinkedIn: https://www.linkedin.com/in/martin-lyons-5a8224202

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Profile page: https://yespress.io/martin-lyons
Published by YesPress — https://yespress.io
Last updated: 2026-10-21