Colleen Calhoun
Director/Board Member at NABORS ENERGY TRANSITION CORP. II
Net worth: 914 259 $ as of 2024-03-30
Profile
Colleen Calhoun founded Helios Consulting LLC in 2019.
Ms. Calhoun also currently works at Quaise Energy, Inc., as Director, Nabors Energy Transition Corp.
II, as Independent Director from 2023, Vast Renewables Ltd., as Director, and The Engine Accelerator, Inc., as Operating Partner from 2023.
Ms. Calhoun also formerly worked at GE Ventures LLC, as Senior Executive Director from 2013 to 2015, GE Energy Financial Services Inc, as Managing Director-Global Growth Markets from 2006 to 2010, GE Power & Water, as Executive Director-Marketing & Strategy from 2010 to 2012, Evergreen Climate Innovation, as Director, Nabors Energy Transition Corp., as Independent Director, Spruce Power Holding Corp., as Vice President & General Manager-XL Grid from 2021 to 2023, and GE Current, as Head-Business Development & Partnerships from 2016 to 2018.
Ms. Calhoun received her undergraduate degree from the University of Pennsylvania and Masters Business Admin degree from the University of Michigan.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2024-03-26 | 50,000 ( 0.58% ) | 523 250 $ | 2024-03-30 | |
| 2023-08-03 | 59,574 ( 0.33% ) | 236 509 $ | 2024-03-30 | |
0.17% | 2023-12-21 | 50,000 ( 0.17% ) | 154 500 $ | 2024-03-30 |
Colleen Calhoun active positions
| Companies | Position | Start |
|---|---|---|
| NABORS ENERGY TRANSITION CORP. II | Director/Board Member | 2023-07-12 |
Quaise Energy, Inc.
 Quaise Energy, Inc. Oilfield Services/EquipmentIndustrial Services Quaise Energy, Inc. engages in the development and commercialization of novel millimeter wave drilling systems to harness geothermal energy. Its technology enables the clean energy transition by accessing the largest source of power-dense clean energy. The company was founded in 2018 and is headquartered in Cambridge, MA. | Director/Board Member | - |
The Engine Accelerator, Inc.
 The Engine Accelerator, Inc. Investment ManagersFinance The Engine Accelerator, Inc. (The Engine) is a venture capital firm founded in 2016. The firm is headquartered in Cambridge, Massachusetts. | Private Equity Investor | 2023-04-02 |
Former positions of Colleen Calhoun
| Companies | Position | End |
|---|---|---|
| SPRUCE POWER HOLDING CORPORATION | Corporate Officer/Principal | 2023-01-31 |
Evergreen Climate Innovation
 Evergreen Climate Innovation Miscellaneous Commercial ServicesCommercial Services Clean Energy Trust is a non-profit organization which provides clean energy technology solutions. The firm also specializes in commercializing research from labs and universities into the market. The company was founded in 2010 and is headquartered in Chicago, IL. | Director/Board Member | 2023-01-31 |
Helios Consulting LLC
 Helios Consulting LLC Investment ManagersFinance Helios Consulting LLC is a company based in Conifer, CO. Helios Consulting LLC was founded by Trevor Lee, Colleen Calhoun, and Nick Stevens. Trevor Lee has been the CEO since incorporation. | Founder | 2020-11-30 |
| GE Current | Corporate Officer/Principal | 2018-07-31 |
GE Ventures LLC
 GE Ventures LLC Investment ManagersFinance GE Ventures LLC (GE Ventures) is a venture capital subsidiary of General Electric Co. founded in 2000 by James Kim. The firm is headquartered in Menlo Park, California. | Private Equity Investor | 2015-11-30 |
Training of Colleen Calhoun
| University of Pennsylvania | Undergraduate Degree |
| University of Michigan | 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 |
|---|---|
| SPRUCE POWER HOLDING CORPORATION | Utilities |
| Private companies | 10 |
|---|---|
GE Ventures LLC
GE Ventures LLC Investment ManagersFinance GE Ventures LLC (GE Ventures) is a venture capital subsidiary of General Electric Co. founded in 2000 by James Kim. The firm is headquartered in Menlo Park, California. | Finance |
GE Energy Financial Services Inc
 GE Energy Financial Services Inc Investment ManagersFinance GE Energy Financial Services Inc (GE Energy Financial Svcs) is a private equity subsidiary of GE Energy Services, Inc founded in 1991. The firm is headquartered in Boston, Massachusetts. | Finance |
GE Power & Water
 GE Power & Water Electronic Equipment/InstrumentsElectronic Technology GE Power & Water provides customers with a broad array of power generation, energy delivery and water process technologies to solve their challenges locally. Power & Water works in all areas of the energy industry including renewable resources such as wind and solar; biogas and alternative fuels; and coal, oil, natural gas and nuclear energy. The business also develops advanced technologies to help solve the world’s most complex challenges related to water availability and quality. Power & Water’s six business units include Distributed Power, Nuclear Energy, Power Generation Products, Power Generation Services, Renewable Energy and Water & Process Technologies. Headquartered in Schenectady, N.Y., Power & Water is GE’s largest industrial business. | Electronic Technology |
Evergreen Climate Innovation
Evergreen Climate Innovation Miscellaneous Commercial ServicesCommercial Services Clean Energy Trust is a non-profit organization which provides clean energy technology solutions. The firm also specializes in commercializing research from labs and universities into the market. The company was founded in 2010 and is headquartered in Chicago, IL. | Commercial Services |
The Engine Accelerator, Inc.
The Engine Accelerator, Inc. Investment ManagersFinance The Engine Accelerator, Inc. (The Engine) is a venture capital firm founded in 2016. The firm is headquartered in Cambridge, Massachusetts. | Finance |
Quaise Energy, Inc.
Quaise Energy, Inc. Oilfield Services/EquipmentIndustrial Services Quaise Energy, Inc. engages in the development and commercialization of novel millimeter wave drilling systems to harness geothermal energy. Its technology enables the clean energy transition by accessing the largest source of power-dense clean energy. The company was founded in 2018 and is headquartered in Cambridge, MA. | Industrial Services |
Nabors Energy Transition Corp.
 Nabors Energy Transition Corp. Financial ConglomeratesFinance Nabors Energy Transition Corp. is a blank check company, which engages in effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization, or similar business combination with one or more businesses or entities. The company was founded on March 24, 2021 and is headquartered in Houston, Texas. | Finance |
Helios Consulting LLC
Helios Consulting LLC Investment ManagersFinance Helios Consulting LLC is a company based in Conifer, CO. Helios Consulting LLC was founded by Trevor Lee, Colleen Calhoun, and Nick Stevens. Trevor Lee has been the CEO since incorporation. | Finance |
| GE Current | |
| Nabors Energy Transition Corp. II |
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