Thomas M. Ohlmacher

Chief Operating Officer, Black Hills Corporation.

Companies

EMPIRE DISTRICT ELECTRIC COBoard member May 2, 2011 to Jan 4, 2017¹
Black Hills CorporationChief operating officer Jan 10, 2006 to Feb 3, 2011²

Sources

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

1
SEC EDGAREMPIRE DISTRICT ELECTRIC CO, Board member
2
SEC EDGARBlack Hills Corporation, Chief operating officer