David A. Dietzler

Director, Portland General Electric.

Companies

COLUMBIA BANKING SYSTEM, INC.Board member Apr 8, 2013 to May 24, 2019¹
Portland General ElectricBoard member Feb 2, 2006 to Apr 26, 2018²

Sources

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

1
SEC EDGARCOLUMBIA BANKING SYSTEM, INC., Board member
2
SEC EDGARPortland General Electric, Board member