Prior to this role, Best was the vice president of human resources for Exelon Generation, which includes the nuclear fleet, power operations, and power trading. She was responsible for setting the human resources strategy and service delivery for 9,500 employees as a member of the senior leadership team. This includes employee relations, compensation, talent development and retention, recruitment, pipeline development, demographic analysis, and knowledge transfer and retention. She has worked as a lead on prior merger, integration and new business activities. She also was involved with the Nuclear Energy Institute working groups and the Clean and Safe Energy Coalition's minority business steering committee.
Previously, Best was the director of human resources for Exelon Business Services Company and led the HR function to support the finance, IT, supply and legal groups. She also was the director of leadership development for Exelon. In that position, she was responsible for executive development for the company's top leadership positions, as well as design and delivery of programmatic leadership training across the company.- She was also accountable for the design and governance of talent management processes that are implemented in all Exelon operating business units.
Best has worked in varying human resources capacities at Exelon's Quad Cities Station, Dresden Station, nuclear headquarters, and corporate offices. Prior to Exelon, she worked at Sara Lee Corporation and Ravenswood Hospital while pursuing her master's degree.