Mason Freeman
Venture investor in Boston
Boston, Massachusetts
Mason Freeman, Venture investor in Boston is an active investor based in Boston, Massachusetts. This profile covers what Mason Freeman backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCInvestor
- Stages
- Seed
- Invests in
- Healthcare & BiotechDigital Health & HealthTechBiotech & PharmaMedTech & Medical DevicesIoT & Connected DevicesMobility & LogisticsEdTech
- Location
- Boston, Massachusetts
- Typical check
- $250K
- Past investments
- 56
Notable investments
Precision NanoSystemVor Biopharma
Aprea
Arvinas
GenePeeks
RareCyte
Portal Instruments
Entrada TherapeuticsCeterix Orthopaedics
Audentes Therapeutics
CinCor PharmaHomology MedicinesHow to reach Mason Freeman
Angels and operators like Mason Freeman 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.
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Cite this page
Round Funded. "Mason Freeman." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mason-freeman
Frequently Asked Questions
What does Mason Freeman invest in?
Mason Freeman invests in Healthcare & Biotech, Digital Health & HealthTech, Biotech & Pharma and MedTech & Medical Devices, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Mason Freeman invest at?
Mason Freeman typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Mason Freeman's typical check size?
Mason Freeman 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.