![Thomas Jonassen](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 Jonassen
Chief Tech/Sci/R&D Officer at
SYNACT PHARMA AB
Net worth: 5 M $ as of 31/05/2026
Profile
Thomas Jonassen is the founder.
Dr. Jonassen was the founder of Action Pharma A, founded in 2000, holding the title of Chief Scientific Officer.
Dr. Jonassen is also the founder of TXP Pharma GmbH,ResoTher Pharma AS.
Dr. Jonassen is currently an Associate Professor at the University of Copenhagen and the Chief Scientific Officer at SynAct Pharma AB starting in 2024.
Dr. Jonassen holds a doctorate from the University of Copenhagen.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
SYNACT PHARMA AB 4.77% | 19/12/2025 | 2,545,320 ( 4.77% ) | 5 M $ | 31/05/2026 |
Thomas Jonassen active positions
| Companies | Position | Start |
|---|---|---|
| SYNACT PHARMA AB | Chief Tech/Sci/R&D Officer | - |
University of Copenhagen
 University of Copenhagen Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
ResoTher Pharma AS
 ResoTher Pharma AS Pharmaceuticals: MajorHealth Technology Operates as a biotechnology company that develops peptide-based drugs | Founder | - |
Former positions of Thomas Jonassen
| Companies | Position | End |
|---|---|---|
TXP Pharma GmbH | Founder | - |
Action Pharma A/S
 Action Pharma A/S BiotechnologyHealth Technology Manufactures biopharmaceutical products | Founder | - |
Training of Thomas Jonassen
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
26
1st degree connections
5
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 5 |
|---|---|
University of Copenhagen
University of Copenhagen Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Action Pharma A/S
Action Pharma A/S BiotechnologyHealth Technology Manufactures biopharmaceutical products | Health Technology |
SynAct Pharma AB
 SynAct Pharma AB Pharmaceuticals: MajorHealth Technology Provides pharmaceutical drugs for treatment inflammatory diseases | Health Technology |
TXP Pharma GmbH | |
ResoTher Pharma AS
ResoTher Pharma AS Pharmaceuticals: MajorHealth Technology Operates as a biotechnology company that develops peptide-based drugs | Health Technology |
- Stock Market
- Insiders
- Thomas Jonassen
