Michael J. Pacilio, Exelon Nuclear's president and chief nuclear officer since 2010, has been named executive vice president and chief operating officer of Exelon Generation LLC. Bryan Hanson, Exelon Nuclear COO, has been promoted to senior vice president, Exelon Generation. Pacilio will have day-to-day operational responsibility for the safety, efficiency and reliability of Exelon Generation's power generation fleet, which includes more than 100 generating units in 17 states.

Pacilio will report to Exelon Generation President and CEO Kenneth W. Cornew. Pacilio has more than thirty years of experience with the company and nuclear plant operations. He has served in various leadership positions within Exelon Nuclear, including COO, senior vice president of Midwest operations, and site vice president and plant manager at several Exelon nuclear generating stations.