Richard J. Mark
President - Ameren Illinois
Before his appointment as president, Mark was senior vice president of Ameren Missouri Customer Operations and was responsible for electric and gas distribution to more than 1.2 million customers across central and eastern Missouri including the greater St. Louis area. Mark also oversaw Customer Services Operations, Community Relations, Communications, Customer Satisfaction and Corporate Giving for Missouri’s largest utility.
Mark joined Ameren in 2002 as vice president of Customer Service. In 2003, he became vice president of Governmental Policy and Consumer Affairs. In just two short years, he rose to the position of senior vice president of Ameren Missouri Energy Delivery - becoming the first African American to hold this position. In 2009, Mark was promoted to senior vice president of Customer Operations - a position that encompasses Ameren Missouri’s Energy Delivery but was expanded to meet customers’ energy needs of the future.
To ensure a secure energy future for Ameren customers, Mark is leading a Strategic Customer Initiative focused on promoting energy efficiency, smart grid technologies and customer-based energy generation, or distributed generation. His team’s goals are to deploy advanced technologies, tools and services to enable customers to manage their energy usage and costs while enhancing the electric grid.
Prior to joining Ameren, Mark spent six years as president and chief executive officer of St. Mary’s Hospital in East St. Louis and five years as chief operating officer. Mark also served 10 years as chairman of the East St. Louis District 189 Financial Oversight Panel.
Mark serves on a variety of boards and organizations including Enterprise Bank and Trust, Madison Mutual Insurance, Major Case Squad of Greater St. Louis, and the St. Louis Police Foundation. He has received three honorary doctorate degrees for his civic and community work, as well as numerous awards and honors; most recently Mark was recognized by Savoy magazine in its 2014 spring issue as one of the Top 100 Most Influential Blacks in Corporate America. In 2012, Black Enterprise magazine named him one of the 100 Most Powerful Executives in America. His other honors include the NAACP’s Inspiring St. Louisan Award of 2011, St. Louis Business Journal’s Ten Years of Influence of 2010, St. Louis Business Journal’s Most Influential Energy Executive of 2010 and many more.
Craig D. Nelson
Senior Vice President, Regulatory Affairs and Financial Services - Ameren Illinois
Nelson began his career as a tax consultant with Arthur Andersen & Company, an accounting and management consulting firm. He joined Central Illinois Public Service Company (CIPS) in 1979 as a tax accountant. He assumed positions of increasing responsibility, including serving as treasurer of CIPS and vice president of Corporate Planning for Ameren Corporation.
Nelson serves on the Illinois Energy Association Strategic Issues Group and the Heartland Partnership CEO Council. He served on the Board of Trustees of the St. Louis Science Center until his transfer to Peoria. Nelson now serves on the Board of Directors of the American Red Cross - Central Illinois Chapter.
Nelson earned a bachelor’s degree in accounting in 1977, graduating with highest honors, and a Master in Business Administration in 1984. Both degrees were awarded by Southern Illinois University-Edwardsville, in Illinois. He is a certified public accountant.
Ronald D. Pate
Senior Vice President, Operations and Technical Services - Ameren Illinois
Pate has held numerous positions on both the electric and gas side of the business, most recently as vice president of Regional Operations for the southern half of the Ameren Illinois service territory.
Pate is chairman of the Illinois Energy Association, and currently serves on the boards of the Midwest Energy Association and Big Brothers/Big Sisters of Central Illinois. He is also a member of the AGA Operations Managing Committee. Pate holds a bachelor’s degree from Southern Illinois University.
D. Scott Wiseman
Vice President, External Affairs - Ameren Illinois
Prior to joining Ameren Illinois, Mr. Wiseman was senior vice president, State Affairs and Outreach for the American Coalition for Clean Coal Electricity, a national industry organization educating decision makers on energy and environmental policies at the regional, state, and local levels. In this role, Mr. Wiseman had industry leadership roles on issues such as energy policy, multi-emissions proposals, climate change, mercury and regional haze.
From 2001 to 2005, Mr. Wiseman served as the executive director of the Illinois Commerce Commission (ICC), leading the agency that has regulatory oversight of investor-owned utilities, including telecommunications, electricity, water and gas companies; and statutory oversight of transportation issues, such as railroad crossing safety, motor carrier insurance, household goods moving and towing companies.
While at the ICC, Mr. Wiseman also held several positions at the national level, serving as chairman of the National Association of Regulatory Utility Commissioners Staff Subcommittee on Executive Management, the Advisory Board of the Regulatory Information Technology Consortium, the Research Advisory Board of the National Regulatory Research Institute at Ohio State University and the Illinois Human Rights 211 Collaboration Board.
Prior to joining the ICC, Mr. Wiseman was chief of staff at the Illinois Department of Revenue and held various positions in Illinois state government beginning in 1987, the same year he graduated with honors from Western Illinois University. Mr. Wiseman holds a Bachelor of Science degree in Political Science and has completed advanced Leadership and Executive Management courses at the University of Virginia.
Wiseman currently serves on the board of directors of the Electric Energy Council and Springfield SPARC.
In his community, he serves on the board of the Chatham Youth Basketball Association and volunteers time to coach basketball for Chatham youth leagues.