Warner Baxter is executive chairman of St. Louis-based Ameren Corporation, parent company of rate-regulated energy companies that serve more than 2.4 million electric and nearly 1 million natural gas customers in Illinois and Missouri. The company, which also develops regional electric transmission projects, had 2020 revenues of approximately $6 billion. During his more than 25-year tenure at Ameren, Baxter has served in a variety of leadership roles, including chairman, president and chief executive officer of Ameren, a role he held from 2014 through 2021. He had previously served as chief financial officer and president of Ameren Missouri. Before joining Ameren in 1995, Baxter served as senior manager at PricewaterhouseCoopers' national office in New York City, serving as one of the firm’s liaisons with the major accounting standard-setting bodies in the United States. From 1983 to 1993, Baxter worked in the firm’s St. Louis office, where he provided auditing and consulting services to clients in a variety of industries, including the energy industry. Baxter earned a Bachelor of Science in accounting from the University of Missouri-St. Louis and has made meaningful and long-lasting contributions to higher education through his involvement with the University of Missouri System. He is a member of the University of Missouri-St. Louis Chancellors Council and the Missouri 100 advisory board. Today, Baxter sits on several industry boards. He is currently chairman of the board of the Edison Electric Institute and serves on the board of the Electric Power Research Institute (past chairman of the board). He is a member of the board of directors of U.S. Bancorp and BJC HealthCare, and serves as vice chair of the American Cancer Society's Coaches vs. Cancer Council. He was past chair of Civic Progress St. Louis and now sits on the Greater St. Louis Inc. Chairman's Executive Council. A native of St. Louis, Warner and his wife, Cindy, have four children.