![George Sakellaris](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>)
George Sakellaris
Chief Executive Officer at
AMERESCO, INC.
Net worth: 730 M $ as of 2026-05-30
Profile
George Peter Sakellaris founded Ameresco, Inc. and Noresco LLC. Currently, he is Chairman, President & Chief Executive Officer at Ameresco, Inc. and President & Director at Ameresco Select, Inc. (a subsidiary of Ameresco, Inc.). Mr. Sakellaris is also on the board of Atrex Energy, Inc., National Association of Energy Service Cos. (former President & Member) and Ameresco Ltd. and Member of Northeastern University. He previously occupied the position of President & Chief Executive Officer for Noresco LLC. He received an undergraduate degree from the University of Maine and a graduate degree and an MBA from Northeastern University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
AMERESCO, INC. 100% | 2026-03-30 | 18,000,000 ( 100% ) | 648 M $ | 2026-05-30 |
| 2026-03-30 | 2,288,597 ( 6.55% ) | 82 M $ | 2026-05-30 |
George Sakellaris active positions
| Companies | Position | Start |
|---|---|---|
| AMERESCO, INC. | Chief Executive Officer | 2000-04-24 |
Atrex Energy, Inc.
 Atrex Energy, Inc. Electrical ProductsProducer Manufacturing Manufactures custom power products | Director/Board Member | - |
Northeastern University
 Northeastern University Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | 2011-04-18 |
National Association of Energy Service Cos.
 National Association of Energy Service Cos. Miscellaneous Commercial ServicesCommercial Services Engages in promoting, developing and advocating for central role of energy efficiency | Director/Board Member | - |
Ameresco Select, Inc.
 Ameresco Select, Inc. Engineering & ConstructionIndustrial Services Provides engineering, installation and maintenance services | President | - |
Ameresco Ltd.
 Ameresco Ltd. Miscellaneous Commercial ServicesCommercial Services Provides comprehensive Utility Risk Management, Strategy and Consultancy service | Director/Board Member | 2013-06-09 |
Former positions of George Sakellaris
| Companies | Position | End |
|---|---|---|
Noresco LLC
 Noresco LLC Engineering & ConstructionIndustrial Services Provides energy systems and infrastructure upgrade implementation services | Chief Executive Officer | 1999-12-31 |
| EQT CORPORATION | Corporate Officer/Principal | - |
Northeast Clean Energy Council | Director/Board Member | - |
| ░░░░░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Training of George Sakellaris
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
65
1st degree connections
11
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 11 |
|---|---|
EQT Corp.
 EQT Corp. Integrated OilEnergy Minerals Engages in production of natural gas, NGLs and oil | Energy Minerals |
Ameresco Select, Inc.
Ameresco Select, Inc. Engineering & ConstructionIndustrial Services Provides engineering, installation and maintenance services | Industrial Services |
Acumentrics, Inc.
 Acumentrics, Inc. Electrical ProductsProducer Manufacturing Manufactures inverters, batteries and power products | Producer Manufacturing |
Ameresco, Inc.
 Ameresco, Inc. Engineering & ConstructionIndustrial Services Provides energy utility services and management solutions | Industrial Services |
Noresco LLC
Noresco LLC Engineering & ConstructionIndustrial Services Provides energy systems and infrastructure upgrade implementation services | Industrial Services |
Northeastern University
Northeastern University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Maine
 University of Maine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Atrex Energy, Inc.
Atrex Energy, Inc. Electrical ProductsProducer Manufacturing Manufactures custom power products | Producer Manufacturing |
National Association of Energy Service Cos.
National Association of Energy Service Cos. Miscellaneous Commercial ServicesCommercial Services Engages in promoting, developing and advocating for central role of energy efficiency | Commercial Services |
Ameresco Ltd.
Ameresco Ltd. Miscellaneous Commercial ServicesCommercial Services Provides comprehensive Utility Risk Management, Strategy and Consultancy service | Commercial Services |
Northeast Clean Energy Council |
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