Naperville resident Bryan Hanson has been named chief operating officer and senior vice president of Exelon Generation's nuclear fleet. In his new role, Hanson will oversee the daily operation for all 10 of Exelon's nuclear facilities. Prior to his newly named position, Hanson was the senior vice president of operations for Exelon Generation's six Midwest nuclear facilities and 11 reactors: Braidwood Generating Station, Byron Generating Station, Clinton Power Station, Dresden Generating Station, LaSalle Generating Station and Quad Cities Generating Station.