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
- Biotech & Pharma
- Location
- Needham, Massachusetts
- Typical check
- $250K
- Past investments
- 2
Notable investments
Editas MedicineVicarius PharmaHow to reach James Mullen
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Cite this page
Round Funded. "James Mullen." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/james-mullen
Frequently Asked Questions
What does James Mullen invest in?
James Mullen invests in Biotech & Pharma, 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 founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.