Sam Lessin is an angel investor and operator angel based in Menlo Park, California, United States. The known portfolio counts 16 companies, including Siftery, MakeSpace, Pogo, Prefer, Splash, Clay, MasterClass, Created by Humans, PicnicHealth, Sendbloom, Estimated Inc. and Accion Systems.
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Investment focus
Contacts
Sam Lessin portfolio companies (16)
- Siftery
- MakeSpace
- Pogo
- Prefer
- Splash
- Clay
- MasterClass
- Created by Humans
- PicnicHealth
- Sendbloom
- Estimated Inc.
- Accion Systems
- Riverside
- Anomalie
- Flynn
- MakerBot
Affiliated funds' portfolios
Partner at Slow Ventures, whose known portfolio counts 10 companies
- Ando
- tofu
- Nimble Way
- Dazzle AI
- Hamlet
- Phoebe
- Project Omega
- Prefix Maintenance
- AlphaLit
- Eternity Photos
Investor Profile
The listing covers sectors Consumer, FinTech, Hardware and SaaS, and focus areas Crypto, Data Analytics, Developer Tools and E-Commerce. Startups operating in these areas may find Sam Lessin relevant.
Sam Lessin appears in Seed and Series A rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues at Slow Ventures
Kevin Colleran
Co-Founder & Managing Director
Boston, United States
Yoni Rechtman
Partner
Brooklyn, United States
Will Quist
Partner
San Francisco, United States
Megan Lightcap
Partner
United States
Clay R.
Venture Partner
San Francisco, United States
Allison Wu
Principal
San Francisco, United States
Billy Parks
Venture Partner
Los Angeles, United States
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Frequently asked questions
Who is Sam Lessin?
Sam Lessin is an angel investor and operator angel based in Menlo Park, California, United States with 16 known investments on file, among them Siftery, MakeSpace and Pogo. The sections above list the sectors, stages and firms attached to that record.
What does Sam Lessin invest in?
Listed sectors include Consumer, FinTech, Hardware and SaaS; listed focus areas include Crypto, Data Analytics, Developer Tools and E-Commerce. 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 Sam Lessin invest at?
The known deals of Sam Lessin include Seed and Series A 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 Sam Lessin listed at?
Sam Lessin is listed as Partner at Slow Ventures. 7 other people in the database share a firm with Sam Lessin.
How do I contact Sam Lessin?
A phone number and a LinkedIn page are on file for Sam Lessin. 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