![Thomas Harrison](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>)
Thomas Harrison
Director/Board Member at
GL BRANDS, INC.
Net worth: 228 176 $ as of 30/05/2026
Profile
Thomas L.
Harrison founded Harrison & Star Business Group in 1987, where he worked as Chairman & Chief Executive Officer from 1987 to 1997.
Dr. Harrison also currently works at MediaJel, Inc., as Chairman from 2019, Actv8, Inc., as Director from 2021, GL Brands, Inc., as Director from 2020, and various other companies.
Dr. Harrison also formerly worked at DAS Holdings LLC, as Chairman & Chief Executive Officer from 1998 to 2013, Omnicom Group, Inc., as Chairman & Chief Executive Officer from 1997 to 2016, Das Group of Cos, as Chairman-Emeritus, and various other companies.
Dr. Harrison received his undergraduate degree from Shepherd University (West Virginia), graduate degree in 1972 from West Virginia University, and doctorate degree from West Virginia University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
AGENUS INC. 0.09% | 23/04/2026 | 38,998 ( 0.09% ) | 136 493 $ | 30/05/2026 |
| 29/03/2026 | 24,539 ( 0.1% ) | 91 530 $ | 30/05/2026 | |
| 19/04/2026 | 77 ( 0% ) | 152 $ | 30/05/2026 |
Thomas Harrison active positions
| Companies | Position | Start |
|---|---|---|
| ADVANCED FLOWER CAPITAL INC. | Director/Board Member | 30/06/2020 |
| ACURX PHARMACEUTICALS, INC. | Director/Board Member | 23/06/2021 |
| AGENUS INC. | Director/Board Member | 06/08/2024 |
| GL BRANDS, INC. | Director/Board Member | 05/04/2020 |
Cheech & Chongs Cannabis Co.
 Cheech & Chongs Cannabis Co. Agricultural Commodities/MillingProcess Industries Operates diversified cannabis branding company | Director/Board Member | 24/08/2020 |
MainStem, Inc.
 MainStem, Inc. Specialty StoresRetail Trade Operates as cannabis e-Commerce purchasing platform and marketplace | Director/Board Member | - |
Magellan Jets LLC
 Magellan Jets LLC AirlinesTransportation Provides private aviation solutions | Director/Board Member | - |
Actv8, Inc.
 Actv8, Inc. Packaged SoftwareTechnology Services Engages is providing television networks and complete global media integration platform | Director/Board Member | 05/10/2021 |
The New York Academy of Medicine
 The New York Academy of Medicine Miscellaneous Commercial ServicesCommercial Services Engages in advancing solutions that promotes the health and well-being of people in cities worldwide | Director/Board Member | - |
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Former positions of Thomas Harrison
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Training of Thomas Harrison
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
62
1st degree connections
37
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 37 |
|---|---|
Omnicom Group, Inc.
 Omnicom Group, Inc. Advertising/Marketing ServicesCommercial Services Provides advertising, marketing, public relations, branding and healthcare services | Commercial Services |
Agenus, Inc.
 Agenus, Inc. BiotechnologyHealth Technology Engages in the development and commercialization of technologies to treat cancers and infectious diseases | Health Technology |
Epocrates LLC
 Epocrates LLC Medical SpecialtiesHealth Technology Provides clinical tools and solutions | Health Technology |
Zynerba Pharmaceuticals, Inc.
 Zynerba Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Delivers dermal solutions for the treatment of neuroscience disorders | Health Technology |
rVue Holdings, Inc.
 rVue Holdings, Inc. Advertising/Marketing ServicesCommercial Services Operates as an advertising technology company | Commercial Services |
Social Growth Technologies, Inc. | Commercial Services |
Dipexium Pharmaceuticals, Inc.
 Dipexium Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops pharmaceutical products | Health Technology |
Actv8, Inc.
Actv8, Inc. Packaged SoftwareTechnology Services Engages is providing television networks and complete global media integration platform | Technology Services |
GL Brands, Inc.
 GL Brands, Inc. Specialty StoresRetail Trade Engages in the news, arts and entertainment niche, with both in print and online publications | Retail Trade |
DAS Holdings, Inc.
 DAS Holdings, Inc. Miscellaneous Commercial ServicesCommercial Services Provides communications management services | Commercial Services |
Morgans Hotel Group Co.
 Morgans Hotel Group Co. Hotels/Resorts/Cruise linesConsumer Services Operates as a hospitality company that owns, acquires, develops and redevelops boutique hotels primarily in gateway cities | Consumer Services |
Shepherd University (West Virginia)
 Shepherd University (West Virginia) Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
West Virginia University
 West Virginia University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Montefiore Medical Center
 Montefiore Medical Center Miscellaneous Commercial ServicesCommercial Services Provides healthcare, clinical and surgical services | Commercial Services |
The New York Academy of Medicine
The New York Academy of Medicine Miscellaneous Commercial ServicesCommercial Services Engages in advancing solutions that promotes the health and well-being of people in cities worldwide | Commercial Services |
Caladrius Biosciences, Inc.
 Caladrius Biosciences, Inc. BiotechnologyHealth Technology Operates as a biopharmaceutical company that develops and commercializes cellular therapies products | Health Technology |
New York Academy of Sciences
 New York Academy of Sciences Miscellaneous Commercial ServicesCommercial Services Engages in the advancing science, technology and society worldwide services for charity | Commercial Services |
The Children’s Hospital at Montefiore
 The Children’s Hospital at Montefiore Hospital/Nursing ManagementHealth Services Provides healthcare services to children | Health Services |
The Arthritis Foundation
 The Arthritis Foundation Miscellaneous Commercial ServicesCommercial Services Provides research, advocacy and support services for various kinds of arthritis and related diseases | Commercial Services |
Harrison & Star Business Group
 Harrison & Star Business Group Harrison & Star Business Group is a private company based in New York, NY. The company was founded by Thomas L. Harrison. | |
Madison Logic, Inc.
 Madison Logic, Inc. Packaged SoftwareTechnology Services Develops account-based marketing platform | Technology Services |
Magellan Jets LLC
Magellan Jets LLC AirlinesTransportation Provides private aviation solutions | Transportation |
Kent School Corp.
 Kent School Corp. Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Montefiore Health System, Inc.
 Montefiore Health System, Inc. Managed Health CareHealth Services Provides medical services | Health Services |
Lymphoma Research Foundation
 Lymphoma Research Foundation Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that engages in funding lymphoma research and provides education & support services | Commercial Services |
Das Group of Cos
 Das Group of Cos Insurance Brokers/ServicesFinance Provides insurance and related services | Finance |
Tek Array, Inc.
 Tek Array, Inc. Internet Software/ServicesTechnology Services Provides online health video services | Technology Services |
rVue, Inc.
 rVue, Inc. Advertising/Marketing ServicesCommercial Services Provides digital advertising services | Commercial Services |
Fifth Street Asset Management, Inc.
 Fifth Street Asset Management, Inc. Investment ManagersFinance Provides asset management services | Finance |
Frontier Financial Group, Inc.
 Frontier Financial Group, Inc. Information Technology ServicesTechnology Services Provides data for the global cannabis industry | Technology Services |
Merida Capital Holdings LLC
 Merida Capital Holdings LLC Investment ManagersFinance Merida Capital Holdings seeks invests in cannabis related companies located in the United States and around the world. The firm focuses on sectors such as cultivation technologies, products and services. It provides financing for buyout stage capital requirements. | Finance |
Acurx Pharmaceuticals, Inc.
 Acurx Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as clinical stage biopharmaceutical company which develops antibiotics for infections caused by bacteria | Health Technology |
MainStem, Inc.
MainStem, Inc. Specialty StoresRetail Trade Operates as cannabis e-Commerce purchasing platform and marketplace | Retail Trade |
MediaJel, Inc.
 MediaJel, Inc. Advertising/Marketing ServicesCommercial Services Provides digital marketing and advertising services | Commercial Services |
Cheech & Chongs Cannabis Co.
Cheech & Chongs Cannabis Co. Agricultural Commodities/MillingProcess Industries Operates diversified cannabis branding company | Process Industries |
AFC Gamma, Inc.
 AFC Gamma, Inc. Financial ConglomeratesFinance Operates as a business development company that provides loans to cannabis industry | Finance |
Narrative Strategies Dc
 Narrative Strategies Dc Miscellaneous Commercial ServicesCommercial Services Provides strategic communication services | Commercial Services |
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