Constellation Energy’s executive team is diverse in experience, background, and point of view. Those who are steeped in the knowledge and experience of Constellation work side-by-side with those who have been recruited for their expertise gained around the world. Together they combine the right mix of energy industry tradition and competitive business savvy necessary for today’s changing energy landscape.


Mayo A. Shattuck III
Chairman of the Board, President and Chief Executive Officer
Constellation Energy


Michael J. Wallace
Vice Chairman, Constellation Energy; Chairman, UniStar Nuclear Energy


Henry B. Barron
Executive Vice President of Constellation Energy; President, Chief Executive Officer and Chief Nuclear Officer of Constellation Energy Nuclear Group

Thomas F. Brady
Executive Vice President, Corporate Strategy, Constellation Energy, and Chairman, Baltimore Gas and Electric Company


Thomas V. Brooks
President, Constellation Energy Resources, and Executive Vice President, Constellation Energy


John R. Collins
Executive Vice President and Chief Financial Officer, Constellation Energy


Irving B. Yoskowitz
Executive Vice President and General Counsel
Constellation Energy


Paul J. Allen
Senior Vice President, Corporate Affairs and Chief Environmental Officer, Constellation Energy


Kenneth W. DeFontes
President and CEO, Baltimore Gas and Electric Company
and Senior Vice President, Constellation Energy


Beth S. Perlman
Chief Administrative Officer, Chief Information Officer and Senior Vice President, Constellation Energy


George E. Persky
Co-Chief Commercial Officer of Constellation Energy Resources


Marc L. Ugol
Senior Vice President Human Resources
Constellation Energy