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Ameren Illinois announced key senior leadership changes to support the company's strategic priorities and the retirement of two vice presidents, according to Lenny Singh, Chairman and President of Ameren Illinois. 

Kristol Simms has been promoted to the newly created position of Vice President of Clean Energy Transition, Economic, Community and Business Development for Ameren Illinois. In this newly created position, the functions responsible for energy efficiency, beneficial electrification, and economic development, and are being re-organized under Simms to optimize the company's grid transformation efforts to support the clean energy transition in Illinois.

energy efficiency programs

As Senior Director of Energy Efficiency and Regulatory Policy Implementation, Simms led the implementation of market-leading energy efficiency programs, managing a portfolio of services which have reduced customer energy usage and met aggressive state-mandated energy savings targets.  

Simms began her career in the Ameren legal department in 2014 before being promoted to lead energy efficiency in 2018. She received her undergraduate degree from Lincoln University in Jefferson City, Mo., and holds a juris doctorate degree from the University of Missouri School of Law. Simms' appointment was effective March 1.

Matthew Tomc will be promoted to Vice President of Regulatory Policy and Energy Supply. Tomc will lead power procurement, natural gas procurement, regulatory affairs, and regulatory policy & rates for Ameren Illinois. His appointment is effective April 1.

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