Best became the CHRO upon close of the Exelon-Constellation merger in March 2012. She is responsible for developing, organizing, implementing, directing and evaluating Exelon’s HR function and performance. She participates in the development and implementation of Exelon’s plans and programs as a strategic member of the executive team. Best leads, Compensation, Benefits, Employee Relations, Diversity & Inclusion, Talent Management, Recruiting and Organizational Effectiveness, along with Utility, Generation, and Business Services Human Resource functions. Exelon has been recognized externally for its commitment to pay equality, birth and adoption leave policies, and by Diversity Inc.