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John Prendergast
Founder at
PALATIN TECHNOLOGIES, INC.
Net worth: 353 381 $ as of 2026-05-30
Profile
John K.
A. Prendergast was the founder of Avigen, Inc., founded in 1992, where the title held was Lead Director from 1992 to 2009.
Dr. Prendergast is the founder of Palatin Technologies, Inc., founded in 1986, where the title held is Non-Executive Chairman since 2000.
Dr. Prendergast is also the founder of Antyra, Inc.,Nejo, Inc...
Dr. Prendergast is Executive Chairman at Recce Pharmaceuticals Ltd. since 2022.
Dr. Prendergast is Director at Ingenex, Inc. Dr. Prendergast is Lead Independent Director at Elusys Therapeutics, Inc. Dr. Prendergast is President at SummerCloud Bay, Inc. since 1993.
Dr. Prendergast was Chairman & Chief Executive Officer at AVAX Technologies, Inc. from 2010 to 2013.
Dr. Prendergast was Lead Director at MediciNova, Inc. from 2004 to 2011.
Dr. Prendergast was Managing Director at Castle Group Ltd. from 1991 to 1997.
Dr. Prendergast was Managing Director at Paramount Capital Investments LLC.
Dr. Prendergast was Director at Osaka Exchange, Inc. Dr. Prendergast was Lead Independent Director at Scorpius Holdings, Inc. from 2016 to 2025.
Dr. Prendergast earned an MBA degree from Harvard University.
Dr. Prendergast earned graduate and doctorate degrees from The University of New South Wales.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-12-08 | 15,102 ( 0.85% ) | 211 730 $ | 2026-05-30 | |
| 2025-06-29 | 357,955 ( 0.12% ) | 141 650 $ | 2026-05-30 | |
| 2025-04-29 | 1,191 ( 0% ) | 1 $ | 2026-05-30 |
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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Training of John Prendergast
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
56
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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