James Mullen
Operating Partner at Advent
Needham, Massachusetts
James Mullen, Operating Partner at Advent is an active investor based in Needham, Massachusetts. This profile covers what James Mullen backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelPE
- Stages
- Seed
- Invests in
- Healthcare & BiotechBiotech & PharmaMarketing & AdTech
- Location
- Needham, Massachusetts
- Typical check
- $250K
- Past investments
- 2
Notable investments
Editas MedicineVicarius PharmaHow to reach James Mullen
Angels and operators like James Mullen reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
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Frequently Asked Questions
What does James Mullen invest in?
James Mullen invests in Healthcare & Biotech, Biotech & Pharma and Marketing & AdTech, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does James Mullen invest at?
James Mullen typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is James Mullen's typical check size?
James Mullen typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact James Mullen?
Unlock James Mullen's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.