Sietse Jonkman is a VP, Portfolio Management at Paragon Biosciences, whose known portfolio counts 3 companies.
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Investment focus
- Sector
- Healthcare
Contacts
Affiliated funds' portfolios
VP, Portfolio Management at Paragon Biosciences, whose known portfolio counts 3 companies
- Castle Creek Biosciences
- Emalex Biosciences
- Evozyne
Investor Profile
Founders in the listed sector Healthcare, and focus areas Biotech, Drug Discovery and Pharma fall inside that listing.
Stage-wise, the deals at Paragon Biosciences cluster around Growth, Seed and Series B rounds.
The firm portfolio and the focus above give founders context on whether Sietse Jonkman matches their raise.
Colleagues at Paragon Biosciences
Frequently asked questions
Who is Sietse Jonkman?
Sietse Jonkman is an accelerator partner based in Chicago, Illinois, United States, listed as VP, Portfolio Management at Paragon Biosciences. The known portfolio of that firm counts 3 companies. That portfolio belongs to the firm, not to Sietse Jonkman personally.
What does Sietse Jonkman invest in?
Listed sectors include Healthcare; listed focus areas include Biotech, Drug Discovery and Pharma. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Sietse Jonkman invest at?
Paragon Biosciences appears in Growth, Seed and Series B rounds across its known deals, and Sietse Jonkman is listed there as VP, Portfolio Management. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Sietse Jonkman listed at?
Sietse Jonkman is listed as VP, Portfolio Management at Paragon Biosciences. 3 other people in the database share a firm with Sietse Jonkman.
How do I contact Sietse Jonkman?
A LinkedIn page is on file for Sietse Jonkman. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal