Career history of Thomas J. Zeller
Former positions of Thomas J. Zeller
| Companies | Position | Start | End |
|---|---|---|---|
| BLACK HILLS CORPORATION | Director/Board Member | 1996-12-31 | 2020-04-27 |
| Independent Dir/Board Member | 1996-12-31 | 2020-04-27 | |
RE/SPEC, Inc.
 RE/SPEC, Inc. Miscellaneous Commercial ServicesCommercial Services RE/SPEC, Inc. engages in the provision of technical and environmental consulting services. Its products include billing and revenue management, health and human services, modeling and optimization, data management, mining software, and monitoring and instrumentation. The company was founded in 1969 and is headquartered in Rapid City, SD. | Chief Executive Officer | 2010-12-31 | 2011-07-31 |
| President | 1994-12-31 | 2010-12-31 | |
Black Hills Power, Inc.
 Black Hills Power, Inc. Electric UtilitiesUtilities Black Hills Power, Inc. generates, transmits, and distributes electricity. The firm is a regulated electric utility company serving customers in South Dakota, Wyoming, and Montana. The company was founded in 1941 and is headquartered in Rapid City, SD. | Director/Board Member | - | - |
Statistics
International
| United States | 4 |
Operational
| Director/Board Member | 2 |
| Independent Dir/Board Member | 1 |
| Chief Executive Officer | 1 |
Sectoral
| Utilities | 3 |
| Commercial Services | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 1 |
|---|---|
| BLACK HILLS CORPORATION | Utilities |
| Private companies | 2 |
|---|---|
Black Hills Power, Inc.
Black Hills Power, Inc. Electric UtilitiesUtilities Black Hills Power, Inc. generates, transmits, and distributes electricity. The firm is a regulated electric utility company serving customers in South Dakota, Wyoming, and Montana. The company was founded in 1941 and is headquartered in Rapid City, SD. | Utilities |
RE/SPEC, Inc.
RE/SPEC, Inc. Miscellaneous Commercial ServicesCommercial Services RE/SPEC, Inc. engages in the provision of technical and environmental consulting services. Its products include billing and revenue management, health and human services, modeling and optimization, data management, mining software, and monitoring and instrumentation. The company was founded in 1969 and is headquartered in Rapid City, SD. | Commercial Services |
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