Ameren Missouri names new president

Mark Birk has been named the new chairman and president of Ameren Missouri, an electric and natural gas delivery utility that is a subsidiary of Ameren Corporation.

Birk will succeed Marty Lyons, who will become Ameren Corporation’s new CEO. Both Birk and Lyons start their new roles on Jan. 1, 2022.

Birk currently serves as Ameren Missouri’s senior vice president for customer and power operations. He has held many leadership positions at Ameren, including roles overseeing energy delivery, power operations, strategic planning, energy trading, enterprise risk management, safety, and nuclear corporate oversight.

“Mark is an outstanding leader who is passionate about customer service and operational excellence,” Lyons said. “I am excited for him to lead Ameren Missouri. In the course of his career at Ameren, Mark has led numerous operating and corporate functions, always focusing on continuous improvement for the benefit of our customers, communities, and shareholders.”

Birk began his career with Ameren in 1986, supporting the Callaway Energy Center. In 1989, he joined the company’s Meramec Energy Center, and in 1996, he was promoted to supervisor in transmission operations. In 2001, he was promoted to general manager of energy delivery technical services then to vice president of energy trading in 2003. In 2005, Birk was named vice president of power operations, and in 2012, he was promoted to senior vice president, corporate strategy and enterprise risk management. Then, in 2014, he was tapped as senior vice president, corporate safety, strategy, and nuclear operations oversight.

Birk has a bachelor’s degree in electrical engineering and a Master of Science in electrical engineering from the Missouri University of Science and Technology. He also has a master’s degree in business administration from Washington University in St. Louis.