James Mullen is an angel investor based in Needham, Massachusetts, United States. The known portfolio is one company, Vicarius Pharma.
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Investment focus
- Stage
- Seed
- Sector
- Healthcare
Contacts
James Mullen portfolio company (1)
- Vicarius Pharma
Affiliated funds' portfolios
Operating Partner at Advent, whose known portfolio counts 21 companies
- slice
- Shield AI
- Coralogix
- KreditBee
- Nuvemshop
- Nubank
- Pine Labs
- Saronic
- Creditas
- Savage X Fenty
- Skyone
- Volue Infrastructure
- and 9 more
Investor Profile
The known portfolio sits in sector Healthcare, and focus areas Biotech and Pharmaceuticals.
The stage tag on this profile is Seed.
The portfolio and focus above give founders context on whether James Mullen matches their raise.
Colleagues at Advent
Showing 20 of 106
Shantanu Deshpande
Advisor
South Delhi, India
James John Britto
Vice President
Mumbai, India
Atin Jain
Director
Mumbai, India
John Maldonado
Managing Partner
Boston, United States
Nicolas Chavanne
Managing Director
London, United Kingdom
Jeff Paduch
Managing Partner
Boston, United States
Shweta Jalan
Managing Partner
Mumbai, India
James Brocklebank
Managing Partner
London, United Kingdom
Chris Egan
Managing Partner
Boston, United States
Jason Karl
Managing Director
New York, United States
Abhishek Chauhan
Managing Director
Boston, United States
Rayan Kablan
Mentor
Advance, United States
Ranjan Sen
Managing Partner
Frankfurt, Germany
Bo Huang
Managing Director
Boston, United States
Bryan Taylor
Managing Partner
San Francisco, United States
Gunnar Rydning
Independent Regional Advisor
Oslo, Norway
Patrice Etlin
Managing Partner
São Paulo, Brazil
Michael Marshall
Managing Director
London, United Kingdom
Werner Geissler
Operating Partner
Munich, Germany
Birger Nergaard
Independent Regional Advisor
Oslo, Norway
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Frequently asked questions
Who is James Mullen?
James Mullen is an angel investor based in Needham, Massachusetts, United States with one known investment on file, Vicarius Pharma. The sections above list the sectors, stages and firms attached to that record.
What does James Mullen invest in?
Listed sectors include Healthcare; listed focus areas include Biotech and Pharmaceuticals. 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 James Mullen invest at?
The database lists James Mullen 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.
Which firm is James Mullen listed at?
James Mullen is listed as Operating Partner at Advent. 106 other people in the database share a firm with James Mullen.
How do I contact James Mullen?
A phone number and a LinkedIn page are on file for James Mullen. They are readable inside RaiseHunt after you create an account. The database holds no email address 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