Constellation Announces Board Chairman Transition and New Board Appointment

Constellation (Nasdaq: CEG) today announced that its Board of Directors has elected President and Chief Executive Officer Joe Dominguez to serve as Chairman of the Board, effective Aug. 4, 2026, and appointed Roger Crandall, Chairman, President and Chief Executive Officer of MassMutual, to the Board as an independent director, effective Aug. 5, 2026. Charles L. Harrington will serve as Lead Independent Director, reinforcing the company's strong governance framework and independent Board oversight.

Crandall brings nearly four decades of leadership experience in financial services and has served as chief executive officer of MassMutual since 2010. MassMutual, a Fortune 100 company, is one of America’s largest mutual life insurance companies, serving more than four million customers with over $1 trillion in life insurance in force. Under Crandall’s leadership, the 175-year-old company has delivered strong long-term performance and exceptional value to its policyowners. He recently completed service as Chair of the Federal Reserve Bank of Boston and currently serves on several business, educational and nonprofit boards. Crandall earned an MBA from the Wharton School of the University of Pennsylvania and a bachelor's degree in economics from the University of Vermont.