Fundraising Fox
Ethan Kurzweil
InvestorManaging Partner at Chemistry
San Francisco, California
Writes $3M – $25M checks · typically $10M
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About
Ethan Kurzweil, co‑founder and managing partner, makes 5–10 concentrated, pure early‑stage bets annually on non‑consensus founders and monopolistic AI/developer plays, evidenced by early investments in Twilio, PagerDuty, Intercom, and LaunchDarkly.
Likely email· guessed from name + firm domain, not firm-published
- e•••@chemistry.vcreveal75% confident
Invests in
AI & Machine LearningConsumerData & InfrastructureDeveloper ToolsEnterprise SoftwareFintechGamingHealthtechSaaS
Beyond investing
- Founded
- Ethan Kurzweil founded Chemistry VC, an early-stage venture firm focused on Series A investments.
From published sources — common ground for a warm intro.
Deals · 1
View The SpaceBoard seat
via Bessemer Venture Partners · filed Jan 2017
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Investor
Adap.tvCoiledDataDistillrFathom TherapeuticsFigure Eight Inc.FinForeVR GamesHightowerLaunchDarklyManychatMeticulousnpmOkeraPeriscope DataPiazzaPrefectSendGridSimply MeasuredSTRATIM SystemsSweetLabsTeam SoloMidTerra BellaTRM LabsTwilioTwitch
Sources: curated public sources · SEC Form D filings.
Colleagues at Chemistry
Network10
Investors connected to Ethan in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Ethan Kurzweil?
- Ethan Kurzweil, co‑founder and managing partner, makes 5–10 concentrated, pure early‑stage bets annually on non‑consensus founders and monopolistic AI/developer plays, evidenced by early investments in Twilio, PagerDuty, Intercom, and LaunchDarkly.
- Where does Ethan Kurzweil work?
- Ethan Kurzweil is Managing Partner at Chemistry.
- What does Ethan Kurzweil invest in?
- Ethan Kurzweil invests in AI & Machine Learning, Consumer, Data & Infrastructure, Developer Tools, Enterprise Software, Fintech, Gaming, Healthtech, SaaS.
- What check size does Ethan Kurzweil write?
- Ethan Kurzweil typically writes checks of $3M – $25M.
- What boards does Ethan Kurzweil sit on?
- Ethan Kurzweil holds tracked board seats at View The Space.
- What companies has Ethan Kurzweil invested in?
- Investments tracked here include Intercom, PagerDuty, SendGrid, Adap.tv, Coiled, DataDistillr, Fathom Therapeutics, Figure Eight Inc., Fin, ForeVR Games, Hightower, LaunchDarkly, and 16 more.
- Does Ethan Kurzweil lead rounds?
- Yes — Ethan Kurzweil has led 3 tracked investments.
Founder mafias
Stanford University mafia2,290
Also came through, then founded or led a company.
Harvard Business School mafia1,305
Also came through, then founded or led a company.
Bessemer Venture Partners mafia41
Also came through, then founded or led a company.
Twilio mafia28
Also came through, then founded or led a company.
Twitch mafia28
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Chemistry's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights