Mark Stiers
Corporate Officer/Principal at DTE ENERGY COMPANY
Net worth: 7 M $ as of 2024-03-30
Profile
Mark W.
Stiers is currently the President & COO-Vantage & Energy Trading at DTE Energy Co., President at DTE Biomass Energy, Inc., President at DTE Energy Services, Inc., President at DTE Energy Trading, Inc., and President at DTE Energy Supply, Inc. Previously, he held positions as President & Chief Operating Officer at DTE Gas Co., Vice President-Retail Electric at Integrys Energy Services, Inc., Senior Vice President at Engage Energy America LLC, Chief Operating Officer at Quest Energy GP LLC, and Board Vice President at The Heat & Warmth Fund.
He obtained his undergraduate degree and MBA from the University of Windsor.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
DTE ENERGY COMPANY
0.03% | 2024-01-30 | 60,281 ( 0.03% ) | 7 M $ | 2024-03-30 |
Mark Stiers active positions
| Companies | Position | Start |
|---|---|---|
| DTE ENERGY COMPANY | Corporate Officer/Principal | 2005-12-31 |
DTE Energy Services, Inc.
 DTE Energy Services, Inc. Electric UtilitiesUtilities DTE Energy Services, Inc. engages in the development, acquisition, building, and operation of resource projects. The company is headquartered in Detroit, MI. | President | - |
DTE Energy Trading, Inc.
 DTE Energy Trading, Inc. Electric UtilitiesUtilities DTE Energy Trading, Inc. buys and sells power and natural gas on the commodities markets. The company was founded 1995 in and is headquartered in Detroit, MI. | President | 2019-03-31 |
DTE Biomass Energy, Inc.
 DTE Biomass Energy, Inc. Environmental ServicesIndustrial Services DTE Biomass Energy, Inc. operates landfills. The firm also offers landfill assessment, wellfield operation and maintenance and beneficial project design. The company was founded in 1988 and is headquartered in Ann Arbor, MI. | President | - |
DTE Energy Supply, Inc.
 DTE Energy Supply, Inc. Electric UtilitiesUtilities DTE Energy Supply, Inc. provides energy services. It offers sourcing, management expertise, extensive collection of assets and resources. The company is headquartered in Ann Arbor, MI. | President | - |
Former positions of Mark Stiers
| Companies | Position | End |
|---|---|---|
DTE Gas Co.
 DTE Gas Co. Gas DistributorsUtilities DTE Gas Co. engages in the purchase, storage, transportation, distribution and sale of natural gas. The firm also operates natural gas storage and transportation facilities. The company was founded on January 11, 1898 and is headquartered in Detroit, MI. | President | 2019-03-17 |
| Engage Energy America LLC | Corporate Officer/Principal | - |
Integrys Energy Services, Inc.
 Integrys Energy Services, Inc. Electric UtilitiesUtilities Integrys Energy Services, Inc. markets electricity, natural gas, and alternative fuel products. The company was founded in 1994 and is headquartered in De Pere, WI. | Corporate Officer/Principal | - |
| Quest Energy GP LLC | Chief Operating Officer | - |
| ░░░ ░░░░ ░░░░░ ░░░░░░ ░░░░ | ░░░░░░░░ | - |
Training of Mark Stiers
| University of Windsor | Masters Business Admin |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 1 |
|---|---|
| DTE ENERGY COMPANY | Utilities |
| Private companies | 9 |
|---|---|
DTE Gas Co.
DTE Gas Co. Gas DistributorsUtilities DTE Gas Co. engages in the purchase, storage, transportation, distribution and sale of natural gas. The firm also operates natural gas storage and transportation facilities. The company was founded on January 11, 1898 and is headquartered in Detroit, MI. | Utilities |
Integrys Energy Services, Inc.
Integrys Energy Services, Inc. Electric UtilitiesUtilities Integrys Energy Services, Inc. markets electricity, natural gas, and alternative fuel products. The company was founded in 1994 and is headquartered in De Pere, WI. | Utilities |
DTE Biomass Energy, Inc.
DTE Biomass Energy, Inc. Environmental ServicesIndustrial Services DTE Biomass Energy, Inc. operates landfills. The firm also offers landfill assessment, wellfield operation and maintenance and beneficial project design. The company was founded in 1988 and is headquartered in Ann Arbor, MI. | Industrial Services |
DTE Energy Services, Inc.
DTE Energy Services, Inc. Electric UtilitiesUtilities DTE Energy Services, Inc. engages in the development, acquisition, building, and operation of resource projects. The company is headquartered in Detroit, MI. | Utilities |
| Engage Energy America LLC | |
| Quest Energy GP LLC | |
The Heat & Warmth Fund
 The Heat & Warmth Fund Miscellaneous Commercial ServicesCommercial Services The Heat & Warmth Fund provides emergency utility assistance to Michigan residents in need. It collaborates with its partners to deliver services that support long term energy solutions. The firm provides energy assistance to low-income families and individuals during times of temporary financial crisis through local community agencies. The company was founded in 1985 and is headquartered in Detroit, MI. | Commercial Services |
DTE Energy Trading, Inc.
DTE Energy Trading, Inc. Electric UtilitiesUtilities DTE Energy Trading, Inc. buys and sells power and natural gas on the commodities markets. The company was founded 1995 in and is headquartered in Detroit, MI. | Utilities |
DTE Energy Supply, Inc.
DTE Energy Supply, Inc. Electric UtilitiesUtilities DTE Energy Supply, Inc. provides energy services. It offers sourcing, management expertise, extensive collection of assets and resources. The company is headquartered in Ann Arbor, MI. | Utilities |
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