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John Loser

Investor

General Partner at Floating Point · Board director at Commons Clinic · Board director at Floodbase

New York, New York, United States

Find your path to John

347 people in our graph share verified history with John — schools, employers, funds. One of them is your warm intro.

Naomi Pilosof IonitaunlockedJohn: together at Stanford University Graduate School of Business (2011)
×9John: together at Stanford University Graduate School of Business
John: together at Bridgewater Associates
John: together at Oscar Insurance

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

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In turn, John can intro founders to Commons Clinic's investors below.

Commons Clinic's investors · 7

Averin CapitalNew York · since 2026Courtside VenturesNew York · $1M – $1.5M checksFloating PointBoston · since 2026North South VenturesTorontoRA CapitalBostonSteelSky VenturesAtlanta · $100K – $5M checksTime BioVenturesSouthern California

Co-founders at Commons Clinic

BHBrad Hively
Brad HivelyDirector
NANick Aubin
Nick AubinFounder

Board director at Floodbase

Intro paths

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In turn, John can intro founders to Floodbase's investors below.

Floodbase's investors · 11

BURNT ISLAND VENTURESBrooklynCollaborative FundNew York · $500K – $1M checks · since 2023Ecosystem Integrity FundLafayette · $2M – $5M checksFloating PointBoston · since 2025GroundForce CapitalVenice · $10M – $35M checksLOWERCARBONJackson · $1M – $50M checksLowercarbon CapitalLos Angeles · $100K – $5M checks · since 2023Mercy Corps VenturesOverture ClimateSanta Monica · $1M – $3M checksPulse FundRefactor CapitalBurlingame · $1M – $2M checks

Co-founders at Floodbase

BSBessie Schwarz
Bessie SchwarzCo-founder
BTBeth Tellman
Beth TellmanCo-founder

Experience

  1. Floating PointFounder and General Partnercurrent2020 — presentNew York City Metropolitan Area
  2. Oscar InsuranceFounding team / Chief Data & Risk Officer2012 — 2019New York, NY
  3. VostuVP Data2010 — 2011Buenos Aires, Argentina
  4. Bridgewater AssociatesInvestor2007 — 2010Westport

Deals · 1

Commons ClinicBoard seat

via Floating Point · filed Jul 2026 · $10.1M raise

press ↗

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Board seats

Floodbase

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
Justin Ledbetter
Executive Officer at Floating Point
Neha Kumar
Venture Partner 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

Shared employers