ST. LOUIS, Dec. 15, 2025 /PRNewswire/ -- Ameren Corporation (NYSE: AEE) announced today that Jamie L. Engstrom has been elected to the Ameren board of directors, effective Jan. 1, 2026. Continue Reading Jamie L. Engstrom has been elected to the Ameren board of directors, effective Jan. 1, 2026. Engstrom has served as the senior vice president and global chief information officer of Caterpillar Inc. since 2020. Caterpillar is a leading manufacturer of construction and mining equipment, off ...