![John Preston](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>)
John Preston
Directeur/Membre du Conseil chez
CLEAN HARBORS, INC.
Fortune : 2 M $ au 31/05/2026
Profil
John T.
Preston was the founder of C Change Investments Management LLC, founded in 2008, where the title held was Managing Partner from 2010 to 2011.
Current jobs include President & Chief Executive Officer at Atomic Ordered Materials LLC since 1999; Chairman at Vantem Global, Inc. (North Carolina) since 2015; Director at ExThera Medical Corp.
since 2019; Director at Eco Material Technologies, Inc. since 2022; Director at Earthshot Labs PBC since 2021; Independent Director at Clean Harbors, Inc. since 1995; Manager & Real Property at Continuum Energy Technologies LLC; President at Quantum Energy Technologies Corp.
since 1996; and Managing Partner at Transformative Energy & Materials Capital LLC.
Former jobs include Chairman at Molten Metal Technology, Inc.; Chairman-Emeritus at Massachusetts Technology Collaborative; Independent Director at Clean Harbors, Inc.; Director at E-Z-EM, Inc. from 2004 to 2008; Director at Alseres Pharmaceuticals, Inc. from 2004 to 2010; Director at Energy BioSystems Corp.; Director-Technology Development at Massachusetts Institute of Technology in 1995; Director at National Aeronautics & Space Administration; Director at US Department of Defense (District of Columbia); Director at Agency for Science, Technology & Research; Director at Biomerix Corp.; Director at Unity Aluminum, Inc.; Director at Mit Technology Licensing Office; Director at Akston Biosciences Corp.; Advisor at Hamilton Investment Partners LLC; and Selected Business Advisor at ABV LLC.
Education includes an MBA degree from Northwestern University conferred in 1976 and an undergraduate degree from the University of Wisconsin conferred in 1972.
Détentions connues dans des sociétés publiques
| Société | Date | Nombre d'actions | Valorisation | Date de valorisation |
|---|---|---|---|---|
CLEAN HARBORS, INC. 0,01 % | 20/05/2026 | 7 044 ( 0,01 % ) | 2 M $ | 31/05/2026 |
Postes actifs de John Preston
| Sociétés | Poste | Début |
|---|---|---|
| CLEAN HARBORS, INC. | Directeur/Membre du Conseil | 01/01/1995 |
Earthshot Labs
 Earthshot Labs Internet Software/ServicesTechnology Services Connects investors & carbon projects and builds software for ecological research and climate innovation | Directeur/Membre du Conseil | 01/01/2021 |
Eco Material Technologies, Inc.
 Eco Material Technologies, Inc. Wholesale DistributorsDistribution Services Supplies supplementary cementitious materials | Directeur/Membre du Conseil | 01/01/2022 |
ExThera Medical Corp.
 ExThera Medical Corp. Medical/Nursing ServicesHealth Services Develops medical devices that treats bloodstream infections and pathogen-reduction in blood banking | Directeur/Membre du Conseil | 07/01/2019 |
Transformative Energy & Materials Capital LLC
 Transformative Energy & Materials Capital LLC Investment ManagersFinance Acts as an alternative investment manager | Corporate Officer/Principal | - |
Quantum Energy Technologies Corp. | President | 13/04/2010 |
Continuum Energy Technologies LLC
 Continuum Energy Technologies LLC Miscellaneous Commercial ServicesCommercial Services Provides commercial physical and biological research services | Corporate Officer/Principal | - |
Atomic Ordered Materials LLC | Directeur Général | 01/04/1999 |
Vantem Global, Inc. (North Carolina)
 Vantem Global, Inc. (North Carolina) HomebuildingConsumer Durables Manufactures modular homes | Président | 01/01/2015 |
Anciens postes connus de John Preston
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Formation de John Preston
Expériences
Fonctions occupées
Actives
Inactives
Sociétés cotées
Entreprise privées
Relations
82
Relations au 1er degré
27
Entreprises liées au 1er degré
Homme
Femme
Administrateurs
Exécutifs
Sociétés liées
| Entreprise privées | 27 |
|---|---|
Clean Harbors, Inc.
 Clean Harbors, Inc. Environmental ServicesIndustrial Services Provides environmental and industrial waste recycling services | Industrial Services |
E-Z-EM, Inc.
 E-Z-EM, Inc. Medical SpecialtiesHealth Technology Develops, manufactures, and markets diagnostic imaging products | Health Technology |
Molten Metal Technology, Inc.
 Molten Metal Technology, Inc. Environmental ServicesIndustrial Services Engages in innovative and proprietary | Industrial Services |
Alseres Pharmaceuticals, Inc.
 Alseres Pharmaceuticals, Inc. Medical SpecialtiesHealth Technology Develops therapeutic and diagnostic products | Health Technology |
Energy BioSystems Corp.
 Energy BioSystems Corp. Other Consumer ServicesConsumer Services Biotech processes for petro refining | Consumer Services |
Massachusetts Institute of Technology
 Massachusetts Institute of Technology Finance/Rental/LeasingFinance Functions as a College/University | Finance |
Northwestern University
 Northwestern University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Wisconsin
 University of Wisconsin Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Hamilton Investment Partners LLC
 Hamilton Investment Partners LLC Investment ManagersFinance Hamilton Investment invests in small and middle markets companies located across the globe with revenues of USD 5 - 50 million. The firm focuses on a broad range of sectors and industries. It provides financing for buyouts, growth and early stage capital requirements with an investment size of USD 2 - 20 million. | Finance |
National Aeronautics & Space Administration
 National Aeronautics & Space Administration General GovernmentGovernment Provides aerospace research & develops satellites | Government |
US Department of Defense (District of Columbia)
 US Department of Defense (District of Columbia) SovereignGovernment Operates and maintains defense departments | Government |
Agency for Science, Technology & Research
 Agency for Science, Technology & Research Miscellaneous Commercial ServicesCommercial Services Fosters scientific research and development | Commercial Services |
ABV LLC
 ABV LLC Investment ManagersFinance Ascent Biomedical invests in companies located in the United States. The fund targets companies operating in the fields of medical devices, biopharmaceuticals, healthcare services and information technology. It provides financing for seed and early stage capital requirements. | Finance |
Atomic Ordered Materials LLC | |
Massachusetts Technology Collaborative
 Massachusetts Technology Collaborative Miscellaneous Commercial ServicesCommercial Services Fosters economic growth | Commercial Services |
Biomerix Corp.
 Biomerix Corp. Chemicals: SpecialtyProcess Industries Develops and manufactures porous polyurethane materials | Process Industries |
Continuum Energy Technologies LLC
Continuum Energy Technologies LLC Miscellaneous Commercial ServicesCommercial Services Provides commercial physical and biological research services | Commercial Services |
C Change Investments Management LLC
 C Change Investments Management LLC Investment ManagersFinance C Change Investments invests in mid - late stage companies located in the United States. The firm focuses on sectors such as energy, water, food, air and materials. It participates in buyout transactions. It also makes co-investments. | Finance |
Quantum Energy Technologies Corp. | |
ExThera Medical Corp.
ExThera Medical Corp. Medical/Nursing ServicesHealth Services Develops medical devices that treats bloodstream infections and pathogen-reduction in blood banking | Health Services |
Transformative Energy & Materials Capital LLC
Transformative Energy & Materials Capital LLC Investment ManagersFinance Acts as an alternative investment manager | Finance |
Akston Biosciences Corp.
 Akston Biosciences Corp. Pharmaceuticals: MajorHealth Technology Develops biopharmaceutical products for cats, dogs and animals | Health Technology |
Unity Aluminum, Inc.
 Unity Aluminum, Inc. AluminumNon-Energy Minerals Manufactures aluminum rolling products | Non-Energy Minerals |
Mit Technology Licensing Office
 Mit Technology Licensing Office Miscellaneous Commercial ServicesCommercial Services Engages in granting intellectual property rights | Commercial Services |
Eco Material Technologies, Inc.
Eco Material Technologies, Inc. Wholesale DistributorsDistribution Services Supplies supplementary cementitious materials | Distribution Services |
Earthshot Labs
Earthshot Labs Internet Software/ServicesTechnology Services Connects investors & carbon projects and builds software for ecological research and climate innovation | Technology Services |
Vantem Global, Inc. (North Carolina)
Vantem Global, Inc. (North Carolina) HomebuildingConsumer Durables Manufactures modular homes | Consumer Durables |
