![Mark Comora](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Mark Comora
Founder at
FORTISTAR SUSTAINABLE SOLUTIONS CORP.
Net worth: 655 M $ as of 31/05/2026
Profile
Mark S.
Comora is the founder of Fortistar LLC, serving as President since 1993, and Fortistar Sustainable Solutions Corp., serving as Chairman since 2020.
Current jobs include Chief Executive Officer at Fortistar Capital, Inc., Chairman at OPAL Fuels LLC, Chairman at OPAL Fuels, Inc. since 2022, Director at Primary Energy Recycling Corp., Director at The American Museum of Fly Fishing, Director at Opal Fuels Station Services LLC, Director at Braven Environmental LLC, and Director at Equipment Leasing & Finance Foundation.
Former job includes Director at Independent Power Producers of New York.
Education includes an MBA from The Trustees of Columbia University in The City of New York and an undergraduate degree from the University of Michigan.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
OPAL Fuels LLC
 OPAL Fuels LLC Wholesale DistributorsDistribution Services Wholesales fuel products 100% | 22/04/2025 | 14,43,99,037 ( 100% ) | 326 M $ | 31/05/2026 |
OPAL FUELS INC. 100% | 22/04/2026 | 12,15,00,000 ( 100% ) | 275 M $ | 31/05/2026 |
OPAL FUELS INC. 31.41% | 22/04/2026 | 2,28,99,037 ( 31.41% ) | 52 M $ | 31/05/2026 |
| 22/04/2026 | 10,03,385 ( 3.31% ) | 2 M $ | 31/05/2026 |
Mark Comora active positions
| Companies | Position | Start |
|---|---|---|
| FORTISTAR SUSTAINABLE SOLUTIONS CORP. | Founder | 01/08/2020 |
| PRIMARY ENERGY RECYCLING CORPORATION | Director/Board Member | - |
| OPAL FUELS INC. | Chairman | 21/07/2022 |
Fortistar Capital, Inc.
 Fortistar Capital, Inc. Investment ManagersFinance Fortistar Capital invests in companies located in the United States. The firm targets companies operating in the fields of energy, transportation and industrial sectors. It participates in early stage capital requirements. | Chief Executive Officer | - |
Fortistar LLC
 Fortistar LLC Electric UtilitiesUtilities Generates and manages power projects | Founder | 01/01/1993 |
Opal Fuels Station Services LLC
 Opal Fuels Station Services LLC Specialty StoresRetail Trade Retails fuels | Director/Board Member | - |
Braven Environmental LLC
 Braven Environmental LLC Environmental ServicesIndustrial Services Engages in recycling of waste plastics | Director/Board Member | - |
The American Museum of Fly Fishing
 The American Museum of Fly Fishing Other Consumer ServicesConsumer Services The American Museum of Fly Fishing is the steward of the history, traditions, and practices of the sport of fly-fishing. The museum collects, preserves, exhibits, studies, and interprets the artifacts, art, and literature of the sport. Through various outreach platforms, they engage, educate, and benefit all individuals. The museum fulfills its mission through public programs, publications, and their quarterly journal, The American Fly Fisher. The company is based in Manchester Center, VT. | Director/Board Member | - |
OPAL Fuels LLC
OPAL Fuels LLC Wholesale DistributorsDistribution Services Wholesales fuel products | Chairman | - |
| ░░░░░░░░░ ░░░░░░░ ░░░░░ ░░░░░░░ ░░░░░░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Former positions of Mark Comora
| Companies | Position | End |
|---|---|---|
| ░░░░░░░░░░░ ░░░░░ ░░░░░░░░░ ░░ ░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Training of Mark Comora
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
11
1st degree connections
13
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 13 |
|---|---|
The Trustees of Columbia University in The City of New York
 The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Michigan
 University of Michigan Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Primary Energy Recycling Corp.
 Primary Energy Recycling Corp. Electric UtilitiesUtilities Owns and operates clean and efficient recycled energy projects | Utilities |
Fortistar Capital, Inc.
Fortistar Capital, Inc. Investment ManagersFinance Fortistar Capital invests in companies located in the United States. The firm targets companies operating in the fields of energy, transportation and industrial sectors. It participates in early stage capital requirements. | Finance |
Equipment Leasing & Finance Foundation | |
The American Museum of Fly Fishing
The American Museum of Fly Fishing Other Consumer ServicesConsumer Services The American Museum of Fly Fishing is the steward of the history, traditions, and practices of the sport of fly-fishing. The museum collects, preserves, exhibits, studies, and interprets the artifacts, art, and literature of the sport. Through various outreach platforms, they engage, educate, and benefit all individuals. The museum fulfills its mission through public programs, publications, and their quarterly journal, The American Fly Fisher. The company is based in Manchester Center, VT. | Consumer Services |
Independent Power Producers of New York
 Independent Power Producers of New York Miscellaneous Commercial ServicesCommercial Services Operates as a trade association representing companies in the competitive power supply industry | Commercial Services |
Opal Fuels Station Services LLC
Opal Fuels Station Services LLC Specialty StoresRetail Trade Retails fuels | Retail Trade |
Fortistar LLC
Fortistar LLC Electric UtilitiesUtilities Generates and manages power projects | Utilities |
Braven Environmental LLC
Braven Environmental LLC Environmental ServicesIndustrial Services Engages in recycling of waste plastics | Industrial Services |
Fortistar Sustainable Solutions Corp.
 Fortistar Sustainable Solutions Corp. Financial ConglomeratesFinance Operates as a blank check company | Finance |
OPAL Fuels LLC
OPAL Fuels LLC Wholesale DistributorsDistribution Services Wholesales fuel products | Distribution Services |
OPAL Fuels, Inc.
 OPAL Fuels, Inc. Industrial SpecialtiesProcess Industries Engages in the production and distribution of renewable natural gas | Process Industries |
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