John Loser
InvestorGeneral Partner at Floating Point · Board director at Commons Clinic · Board director at Floodbase
New York, New York, United States
About
Cofounder of Floating Point and part of the founding team at Oscar Health.
Contact· self-published, not guessed
Board director at Commons Clinic
Intro paths
→
In turn, John can intro founders to Commons Clinic's investors below.
Commons Clinic's investors · 7
Co-founders at Commons Clinic
BH
Brad HivelyDirector
NA
Nick AubinFounder
Board director at Floodbase
Intro paths
→
In turn, John can intro founders to Floodbase's investors below.
Floodbase's investors · 11
BURNT ISLAND VENTURESBrooklynCollaborative FundNew York · $500K – $1M checksEcosystem Integrity FundLafayette · $2M – $5M checksFloating PointBoston · since 2025GroundForce CapitalVenice · $10M – $35M checksLOWERCARBONJackson · $1M – $50M checksLowercarbon CapitalNew York · $100K – $5M checksMercy Corps VenturesOverture ClimateSanta Monica · $1M – $3M checksPulse FundRefactor CapitalBurlingame · $1M – $2M checks
Co-founders at Floodbase
BS
Bessie SchwarzExecutive Officer, Director, Promoter
ET
Elizabeth TellmanExecutive Officer, Director, Promoter
Experience
- Floating PointFounder and General Partnercurrent2020 — presentNew York City Metropolitan Area
- Oscar InsuranceFounding team / Chief Data & Risk Officer2012 — 2019New York, NY
- VostuVP Data2010 — 2011Buenos Aires, Argentina
- Bridgewater AssociatesInvestor2007 — 2010Westport
Deals · 1
Commons ClinicBoard seat
via Floating Point · filed Jul 2026 · $10.1M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Per SEC Form D filings.
Colleagues at Floating Point
Aaron Libbey
Venture Partner at Floating Point
Ariella Rotenberg
Partner, Head of Operations at Floating Point
Edward Segel
General Partner at Floating Point
Evan Moore
Venture Partner at Floating Point
Jason Pritzker
Advisor at Floating Point
Jesse Horowitz
Venture Partner at Floating Point
Neha Kumar
Venture Partner at Floating Point
Sage Doble
Executive Assistant at Floating Point
Frequently asked questions
- Who is John Loser?
- Cofounder of Floating Point and part of the founding team at Oscar Health.
- Where does John Loser work?
- John Loser is General Partner at Floating Point and Board director at Commons Clinic and Board director at Floodbase.
- What boards does John Loser sit on?
- John Loser holds tracked board seats at Commons Clinic, Floodbase.
- Where did John Loser go to school?
- John Loser studied at Stanford University Graduate School of Business (MBA); Yale University (BA, Economics).
Same school
Also attended Stanford University Graduate School of Business1,388
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+ 1,382 more
Shared employers
Also worked at Oscar Insurance21
Samir KaulInvestor at Khosla VenturesAndy HarrisonGeneral Partner, CEO at S32Lucy BradyHead of Product at Giant Ventures Global LlpEdward SegelGeneral Partner at Floating PointJesse HorowitzVenture Partner at Floating PointVinod MittaVenture Partner at Floating Point
+ 15 more
Also worked at Bridgewater Associates116
Max NovendsternCo-founder of Tools for Humanity; founder of ManaCoen ArmstrongInvestor at Spark CapitalJared FriedmanYC Group PartnerAnkit GuptaGeneral Partner at Y CombinatorMark LurieVenture Partner at FJ LabsNicole FraenkelInvestor at Khosla Ventures
+ 110 more