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John Prendergast
Founder at
PALATIN TECHNOLOGIES, INC.
Net worth: 188 370 $ as of 2026-08-30
Profile
Dr. John K.
Prendergast is an Executive Chairman at Recce Pharmaceuticals Ltd., a President at SummerCloud Bay, Inc., a Non-Executive Chairman at Palatin Technologies, Inc., an Executive Chairman at Nejo, Inc. and a Lead Independent Director at Elusys Therapeutics, Inc. He is on the Board of Directors at Ingenex, Inc. and Elusys Therapeutics, Inc. Dr. Prendergast was previously employed as a Lead Independent Director by Scorpius Holdings, Inc., a Lead Director by MediciNova, Inc., a Chairman & Chief Executive Officer by AVAX Technologies, Inc., a Lead Director by Avigen, Inc., a Managing Director by Castle Group Ltd., an Executive Chairman by Antyra, Inc., and a Managing Director by Paramount Capital Investments LLC.
He also served on the board at Osaka Exchange, Inc. He received his graduate degree from The University of New South Wales, an MBA from Harvard University and a doctorate degree from The University of New South Wales.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-09-24 | 11,466 ( 0.64% ) | 101 703 $ | 2026-09-29 | |
| 2026-07-30 | 395,455 ( 0.13% ) | 86 664 $ | 2026-09-29 | |
| 2025-04-29 | 1,191 ( 0% ) | 3 $ | 2026-08-30 |
John Prendergast active positions
| Companies | Position | Start |
|---|---|---|
| PALATIN TECHNOLOGIES, INC. | Founder | 1986-11-20 |
| RECCE PHARMACEUTICALS LTD | Chairman | 2019-07-08 |
SummerCloud Bay, Inc. | President | 1992-12-31 |
Ingenex, Inc.
 Ingenex, Inc. BiotechnologyHealth Technology Part of Black Titan Corp., Ingenex, Inc. is a company based in San Francisco, CA. | Director/Board Member | - |
Nejo, Inc. | Founder | - |
Elusys Therapeutics, Inc.
 Elusys Therapeutics, Inc. BiotechnologyHealth Technology Develops immune-stimulatory and immune-derived therapies for the treatment of infectious diseases | Director/Board Member | - |
Former positions of John Prendergast
| Companies | Position | End |
|---|---|---|
| SCORPIUS HOLDINGS, INC. | Director/Board Member | 2025-05-01 |
| AVAX TECHNOLOGIES, INC. | Chief Executive Officer | 2012-12-31 |
| MEDICINOVA, INC. | Director/Board Member | 2011-09-24 |
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Education of John Prendergast
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
58
1st degree connections
16
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 16 |
|---|---|
Avigen, Inc.
 Avigen, Inc. Medical SpecialtiesHealth Technology Develops gene therapy products | Health Technology |
Ingenex, Inc.
Ingenex, Inc. BiotechnologyHealth Technology Part of Black Titan Corp., Ingenex, Inc. is a company based in San Francisco, CA. | Health Technology |
AVAX Technologies, Inc.
 AVAX Technologies, Inc. BiotechnologyHealth Technology Operates as development stage company with interest in the development and future commercialization of individualized cancer vaccines | Health Technology |
Palatin Technologies, Inc.
 Palatin Technologies, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that develops medicines based on molecules for the modulation of melanocortin receptor system | Health Technology |
Elusys Therapeutics, Inc.
Elusys Therapeutics, Inc. BiotechnologyHealth Technology Develops immune-stimulatory and immune-derived therapies for the treatment of infectious diseases | Health Technology |
MediciNova, Inc.
 MediciNova, Inc. Pharmaceuticals: MajorHealth Technology Operates as biopharmaceutical company, which develops novel therapeutics for the treatment of neurological and other disorders | Health Technology |
Scorpius Holdings, Inc.
 Scorpius Holdings, Inc. Pharmaceuticals: MajorHealth Technology Engages in development and commercialization of therapies | Health Technology |
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The University of New South Wales
 The University of New South Wales Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Castle Group Ltd.
 Castle Group Ltd. Real Estate DevelopmentFinance Holding company with interest in residential property management and portable appliance testing | Finance |
SummerCloud Bay, Inc. | |
Antyra, Inc.
 Antyra, Inc. Pharmaceuticals: MajorHealth Technology Develops cancer therapeutics | Health Technology |
Paramount Capital Investments LLC | |
Osaka Exchange, Inc.
 Osaka Exchange, Inc. Investment Banks/BrokersFinance Provides markets for index futures, index options, and security options | Finance |
Recce Pharmaceuticals Ltd.
 Recce Pharmaceuticals Ltd. Pharmaceuticals: MajorHealth Technology Creates and manufactures antibiotics | Health Technology |
Nejo, Inc. |
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