Frank M. Clark

Chief Executive Officer, Exelon.

Companies

Waste Management, IncBoard member Jan 17, 2006 to Jan 21, 2021¹
AetnaBoard member Jun 29, 2006 to Nov 28, 2018²
ExelonChief executive officer Jan 25, 2006 to Jan 24, 2012³
ExelonChair Jan 25, 2006 to Jan 24, 2012³

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARWaste Management, Inc, Board member
2
SEC EDGARAetna, Board member
3
SEC EDGARExelon, Chief executive officer