Calvin G. Butler Jr. became chief executive officer of Baltimore Gas and Electric Company (BGE) on March 1, 2014. Butler previously served as BGE's senior vice president, regulatory and external affairs. In that role, he was responsible for executing the company's strategic direction and cultivating relationships with government, regulatory, community and other key stakeholders. Butler also served as Exelon's senior vice president of corporate affairs and held other leadership positions within Exelon and BGE's sister company, ComEd (Chicago). Butler played a critical role in helping to successfully navigate company and stakeholder relations during the merger between Exelon and Constellation Energy.