Sam Thompson
Investor at Progress Partners
Cambridge, Massachusetts
Sam Thompson, Investor at Progress Partners is an active investor based in Cambridge, Massachusetts. This profile covers what Sam Thompson backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPECorporate VCFinance OperatorOperatorInvestment Bank
- Stages
- Seed
- Invests in
- Media & ContentMarketing & AdTechConsumer & RetailE-commerce & D2CFintech
- Location
- Cambridge, Massachusetts
- Typical check
- $250K
- Past investments
- 23
Notable investments
The Science Project
Mediamath
Tracer
talkshoplive®
Crunched
EveryScreenMediaThe Conversation Media Group
Simplifi
Connected Sports Ventures
Localytics
Localresponse
FreeFi NetworksHow to reach Sam Thompson
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Cite this page
Round Funded. "Sam Thompson." Round Funded investor database, updated September 23, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/sam-thompson
Frequently Asked Questions
What does Sam Thompson invest in?
Sam Thompson invests in Media & Content, Marketing & AdTech, Consumer & Retail and E-commerce & D2C, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Sam Thompson invest at?
Sam Thompson typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Sam Thompson's typical check size?
Sam Thompson 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.