Marek Poszepczynski is an angel investor and operator angel based in Stockholm, Sweden with one known investment, OT Chemistry AB.
Is Marek Poszepczynski a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- Seed
- Sector
- Healthcare
Contacts
Marek Poszepczynski portfolio company (1)
- OT Chemistry AB
Investor Profile
The known portfolio sits in sector Healthcare, and focus areas Biotech, Clinical Trials, Drug Development and Life Science.
Marek Poszepczynski is listed for Seed rounds in the database.
The portfolio and focus above give founders context on whether Marek Poszepczynski matches their raise.
Similar investors
Showing 20 of 100
Zygmunt Grajkowski
angel investor and operator angel
Otwocki, Poland
Chris Jackson
angel investor and operator angel
New York, United States
Thomas Lips
angel investor
Zürich, Switzerland
Sebastian Trousil
angel investor and operator angel
Boston, United States
Peter Hecht
angel investor and operator angel
Cambridge, United States
Tomasz Wozniak
angel investor
Warsaw, Poland
Petr Denisov
angel investor
Haifa, Israel
Dan Marks
angel investor and operator angel
Boston, United States
Patrick Smerkers
angel investor
Washington, United States
Martijn Kleijwegt
angel investor
Amsterdam, Netherlands
Robert Stein
angel investor
New York, United States
Matt Krisiloff
Partner and Co-Founder
San Francisco, United States
Yury Kukushkin
angel investor
Boston, United States
Sigthor Sigmarsson
Professionally skeptical
Luxembourg
Michael Gladstone
Partner
Boston, United States
Mark Velleca
angel investor and operator angel
Washington, United States
Anton Neschadim
Venture Capital, Senior Advisor
Toronto, Canada
Alfred Scheidegger
angel investor and operator angel
Zürich, Switzerland
Peter Bojo
angel investor
San Francisco, United States
Jeff Szekeres
Senior Vice President
Solana Beach, United States
Frequently asked questions
Who is Marek Poszepczynski?
Marek Poszepczynski is an angel investor and operator angel based in Stockholm, Sweden with one known investment on file, OT Chemistry AB. The sections above list the sectors and stages attached to that record.
What does Marek Poszepczynski invest in?
Listed sectors include Healthcare; listed focus areas include Biotech, Clinical Trials, Drug Development and Life Science. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Marek Poszepczynski invest at?
The database lists Marek Poszepczynski for Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Marek Poszepczynski?
An email address, a phone number and a LinkedIn page are on file for Marek Poszepczynski. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal