George A. Schreiber Jr.

Chief Executive Officer, SEMCO ENERGY INC.

Companies

Horsehead CorporationBoard member Nov 19, 2012 to Jan 4, 2016¹
Energy Conversion DevicesBoard member Sep 29, 2006 to Jan 13, 2012²

Sources

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

1
SEC EDGARHorsehead Corporation, Board member
2
SEC EDGAREnergy Conversion Devices, Board member