Stephen Daigneau

Stephen Daigneau currently serves as Director of Fleet Engineering CFAM at Southern Nuclear, a position held since November 2025. Prior to this role, Stephen occupied various leadership positions at Constellation from June 2022 to November 2025, including Director of Site Operations and Director of Site Engineering. Stephen’s extensive career in the nuclear industry began at Exelon Nuclear, where from 2001 to June 2022, roles included Operations Services Manager, Senior Reactor Operator, Senior Business Planning Engineer, Manager of Reactor Engineering, Senior Qualified Nuclear Engineer, and System Engineer. Stephen holds a degree from the University of Michigan, earned between 1997 and 2001.