thomas voss en Ameren CEO to retire in July <p><span style="line-height: 1.5;">&nbsp;&nbsp;</span>Ameren Corp. is promoting Warner Baxter to president of the St. Louis-based utility, effective immediately, and he'll become CEO this spring.</p><p>Baxter is a longtime executive at Ameren. He succeeds Thomas Voss, who will retire on July 1.</p><p>Ameren said Tuesday that Baxter also has been elected to the board of directors. He will become chief executive on April 24 — the day Voss will become Ameren's executive chairman.</p> Tue, 18 Feb 2014 22:58:37 +0000 The Associated Press 48354 at Ameren CEO to retire in July