![Michael Weiss](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>)
Michael Weiss
Chief Executive Officer at
TG THERAPEUTICS, INC.
Net worth: 377 M $ as of 2026-05-30
Profile
Mr. Michael S. Weiss is a Chairman at Checkpoint Therapeutics, Inc., an Executive Chairman at Mustang Bio, Inc., a Partner at Opus Point Partners Management LLC, a Partner & Portfolio Manager at Opus Point Partners LLC and an Executive Chairman, President & CEO at TG Therapeutics, Inc. He is on the Board of Directors at Cyprium Therapeutics, Inc., Fortress Biotech, Inc., Caelum Biosciences, Inc., Cellvation, Inc. and Helocyte, Inc. Mr. Weiss was previously employed as a Chairman by National Holdings Corp., a Non-Executive Director by Avenue Therapeutics, Inc., a Co-Chairman by CB Pharma Acquisition Corp., an Executive Chairman by IASO Pharma, Inc., a Non-Executive Chairman by National Holdings Corp., a Chairman by XTL Biopharmaceuticals Ltd., a Chairman & Chief Executive Officer by Keryx Biopharmaceuticals, Inc., a Chairman & Chief Executive Officer by ACCESS Oncology, Inc., a Chairman by Paligent, Inc., a Trustee by Cancer Care, Inc., and a Lawyer by Cravath, Swaine & Moore LLP. He also served on the board at Healthcare Integrated Services, Inc. and Genta, Inc. He received his undergraduate degree from State University of New York at Albany and a graduate degree from Columbia Law School.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-04-13 | 9,778,086 ( 6.39% ) | 371 M $ | 2026-05-30 | |
| 2026-04-15 | 2,276,562 ( 6.85% ) | 6 M $ | 2026-05-30 | |
| 2025-11-17 | 325 ( 0% ) | 218 $ | 2026-05-30 |
Latest news about Michael Weiss
| 12-02-21 | Wynn gives U.S. report as Okada battle grows | RE |
Michael Weiss active positions
| Companies | Position | Start |
|---|---|---|
| TG THERAPEUTICS, INC. | Chief Executive Officer | 2011-12-28 |
| FORTRESS BIOTECH, INC. | Director/Board Member | 2013-12-19 |
| MUSTANG BIO, INC. | Chairman | 2015-04-30 |
Cyprium Therapeutics, Inc.
 Cyprium Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops novel therapies for the treatment of Menkes disease and related copper metabolism disorders | Founder | 2016-12-31 |
Cellvation, Inc.
 Cellvation, Inc. BiotechnologyHealth Technology Operates as a clinical-stage biopharmaceutical company that develops novel cellular therapeutics for treatment of traumatic brain injury | Director/Board Member | - |
Helocyte, Inc.
 Helocyte, Inc. BiotechnologyHealth Technology Operates as a clinical stage company that develops novel immunotherapies for the prevention and treatment of cancer and infectious disease | Director/Board Member | - |
Baergic Bio, Inc.
 Baergic Bio, Inc. Pharmaceuticals: MajorHealth Technology Develops therapeutic drugs for treatment of central nervous system disorders | Director/Board Member | - |
Former positions of Michael Weiss
| Companies | Position | End |
|---|---|---|
| CHECKPOINT THERAPEUTICS, INC. | Chief Executive Officer | 2016-11-30 |
| AVENUE THERAPEUTICS, INC. | Director/Board Member | 2019-02-07 |
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Training of Michael Weiss
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
39
1st degree connections
25
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 25 |
|---|---|
Paligent, Inc.
 Paligent, Inc. Financial ConglomeratesFinance Development stage company | Finance |
TG Therapeutics, Inc.
 TG Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company | Health Technology |
National Holdings Corp.
 National Holdings Corp. Investment Banks/BrokersFinance Operates as a holding company whose subsidiaries provides securities brokerage services | Finance |
Healthcare Integrated Services, Inc.
 Healthcare Integrated Services, Inc. Medical/Nursing ServicesHealth Services Operates fixed-site magnetic resonance imaging centers | Health Services |
Keryx Biopharmaceuticals, Inc.
 Keryx Biopharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company which focuses on therapies for patients with renal disease | Health Technology |
ACCESS Oncology, Inc.
 ACCESS Oncology, Inc. Pharmaceuticals: OtherHealth Technology Develops pharmaceutical drugs | Health Technology |
Genta, Inc.
 Genta, Inc. Pharmaceuticals: MajorHealth Technology Engages in pharmaceutical research and development | Health Technology |
IASO Pharma, Inc.
 IASO Pharma, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes therapeutic products | Health Technology |
Fortress Biotech, Inc.
 Fortress Biotech, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and markets pharmaceutical and biotechnology products | Health Technology |
XTL Biopharmaceuticals Ltd.
 XTL Biopharmaceuticals Ltd. Medical SpecialtiesHealth Technology Develops pharmaceutical drugs for the treatment of autoimmune diseases | Health Technology |
Cravath, Swaine & Moore LLP
 Cravath, Swaine & Moore LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
State University of New York at Albany
 State University of New York at Albany Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Cancer Care, Inc.
 Cancer Care, Inc. Hospital/Nursing ManagementHealth Services Provides cancer treatment services | Health Services |
Opus Point Partners Management LLC
 Opus Point Partners Management LLC Investment ManagersFinance OPPM invests in and assists biotechnology and healthcare companies in developing and commercializing novel medicines and diagnostic tools. | Finance |
Columbia Law School
 Columbia Law School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Origo Acquisition Corp.
 Origo Acquisition Corp. Financial ConglomeratesFinance Operates as a blank check company | Finance |
Checkpoint Therapeutics, Inc.
 Checkpoint Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company | Health Technology |
Opus Point Partners LLC
 Opus Point Partners LLC Financial ConglomeratesFinance Provides investment services | Finance |
Avenue Therapeutics, Inc.
 Avenue Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as a pharmaceutical company which develops and commercializes therapies for neurological diseases | Health Technology |
Helocyte, Inc.
Helocyte, Inc. BiotechnologyHealth Technology Operates as a clinical stage company that develops novel immunotherapies for the prevention and treatment of cancer and infectious disease | Health Technology |
Mustang Bio, Inc.
 Mustang Bio, Inc. Pharmaceuticals: MajorHealth Technology Operates as clinical-stage biopharmaceutical company which develops novel immunotherapy''s | Health Technology |
Cyprium Therapeutics, Inc.
Cyprium Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops novel therapies for the treatment of Menkes disease and related copper metabolism disorders | Health Technology |
Cellvation, Inc.
Cellvation, Inc. BiotechnologyHealth Technology Operates as a clinical-stage biopharmaceutical company that develops novel cellular therapeutics for treatment of traumatic brain injury | Health Technology |
Caelum Biosciences, Inc.
 Caelum Biosciences, Inc. BiotechnologyHealth Technology Operates as clinical stage biotechnology company that develops treatments for AL amyloidosis, rare and life-threatening hematologic disorders | Health Technology |
Baergic Bio, Inc.
Baergic Bio, Inc. Pharmaceuticals: MajorHealth Technology Develops therapeutic drugs for treatment of central nervous system disorders | Health Technology |
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