Investor profile
Michael Dorsey
Syndicate / Angel group, Venture capital & General Partner at Reaction
Michael Dorsey is a General Partner at Reaction, whose known portfolio counts 6 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
General Partner at Reaction, whose known portfolio counts 6 companies
- AiFi
- Jumbotail
- Galena
- Shoelace
- Shoelace Learning
- Klivo
Investor Profile
The listing covers sectors AI, Commerce, Consumer and Education, and focus areas Food & Beverage, HR Tech, Information Services and Marketplaces. Startups operating in these areas may find Michael Dorsey relevant.
Stage-wise, the deals at Reaction cluster around Growth, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Michael Dorsey is worth approaching.
Colleagues at Reaction
David Soskin
Board Member
London, United Kingdom
Enrico Carbone
General Partner
Palo Alto, United States
Virgil Bellini
Limited Partner & Angel Investor
Cheyenne, United States
Charles Froland
General Partner - Global Sustainability
United States
Carlos Garcia Peredo
Principal investment / Structured & Private debt
Madrid, Spain
Samir Shah
Investment Advisor
San Francisco, United States
David Glick
Founding Partner
London, United Kingdom
Timur U.
Founding Partner
Dubai, United Arab Emirates
Helio Mesquita
Founding Partner
Portugal
Henko Haasbroek
Managing Partner
London, United Kingdom
Alistair Barker
Founding Partner & Non-Executive Investment Adviser
Melbourne, Australia
Prerana Vaidya
General Partner
Palo Alto, United States
Frequently asked questions
Who is Michael Dorsey?
Michael Dorsey is a syndicate member and venture capital investor based in Menlo Park, California, United States, listed as General Partner at Reaction. The known portfolio of that firm counts 6 companies. That portfolio belongs to the firm, not to Michael Dorsey personally.
What does Michael Dorsey invest in?
Listed sectors include AI, Commerce, Consumer and Education; listed focus areas include Food & Beverage, HR Tech, Information Services and Marketplaces. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Michael Dorsey invest at?
Reaction appears in Growth, Seed and Series A rounds across its known deals, and Michael Dorsey is listed there as General Partner. 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 Michael Dorsey listed at?
Michael Dorsey is listed as General Partner at Reaction. 12 other people in the database share a firm with Michael Dorsey.
How do I contact Michael Dorsey?
An email address and a LinkedIn page are on file for Michael Dorsey. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number 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