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About
General Partner in the Cambridge office and seasoned drug scientist and entrepreneur; chairman of several therapeutics companies and board member of Alloy Therapeutics. Co-founded and led Tidal Therapeutics (acquired by Sanofi) and co-founded Merrimack Pharmaceuticals. Holds a PhD in molecular biology from the University of Copenhagen.
Invests in
AgTechBiotechFoodTechHealthtechMedical DevicesNew Materials
Deals · 1
Alloy Therapeutics, Inc.Board seat
via Mission Biocapital · filed Apr 2026 · $40M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Mission Biocapital
Frequently asked questions
- Who is Ulrik B. Nielsen?
- General Partner in the Cambridge office and seasoned drug scientist and entrepreneur; chairman of several therapeutics companies and board member of Alloy Therapeutics. Co-founded and led Tidal Therapeutics (acquired by Sanofi) and co-founded Merrimack Pharmaceuticals. Holds a PhD in molecular biology from the University of Copenhagen.
- Where does Ulrik B. Nielsen work?
- Ulrik B. Nielsen is General Partner at Mission Biocapital.
- What does Ulrik B. Nielsen invest in?
- Ulrik B. Nielsen invests in AgTech, Biotech, FoodTech, Healthtech, Medical Devices, New Materials.
- What check size does Ulrik B. Nielsen write?
- Ulrik B. Nielsen typically writes checks of $500K.
- What boards does Ulrik B. Nielsen sit on?
- Ulrik B. Nielsen holds tracked board seats at Alloy Therapeutics, Inc..
Founder mafias
Harvard Business School mafia1,303
Also came through, then founded or led a company.
Københavns Universitet - University of Copenhagen mafia84
Also came through, then founded or led a company.
Alloy Therapeutics, Inc. mafia4
Also came through, then founded or led a company.
Mission Biocapital mafia3
Also came through, then founded or led a company.
Silver Creek Pharmaceuticals mafia3
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Mission Biocapital's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights