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Christophe Barre

Founder

Founder at OneKey · Founder at Tandem

San Francisco, California, United States

FoundedOneKey · YCTandem

Find your path to Christophe

1,975 people in our graph share verified history with Christophe — schools, employers, funds. One of them is your warm intro.

Paul KwanunlockedChristophe: together at Stanford University (2022)
Christophe: together at Imperial College London
×8Christophe: together at Y Combinator
Christophe: together at Stanford University

About

Christophe Barre is founder and CEO of Tandem.

Founder at OneKeyYC S20

Intro paths

YC

Christophe went through Y Combinator (Summer 2020) — any YC alum in your network can reach them through the YC community.

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In turn, Christophe can intro founders to OneKey's investors below.

OneKey's investors · 9

Coinbase VenturesStamford · $100K – $10M checks · since 2026DragonflyNew York City · $3M – $30M checks · since 2026Ethereal Ventures Management Ltd.Road Town, Tortola · since 2022Folius VenturesNew York · since 2022Framework VenturesSan Francisco · $250K – $40M checks · since 2022IOSG VenturesHong Kong · $10K – $100K checks · since 2022Ribbit CapitalPalo Alto · $100K – $15M checks · since 2026Sky9 CapitalSingapore · $1M – $10M checks · since 2022Y CombinatorSan Francisco · $500K checks · since 2020

Co-founders at OneKey

UPUlysse Prygiel
Ulysse PrygielFounder

Founder at Tandem

Intro paths

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In turn, Christophe can intro founders to Tandem's investors below.

Tandem's investors · 2

J4 VenturesNew YorkThe MBA Fund

Co-founders at Tandem

BL
Ben LowensteinFounder

Experience

  1. TandemCo-founder & CEOcurrent2024 — present
  2. Gradient CapitalHead of Product & Data2023Zurich, Switzerland
  3. JellysmackProduct Strategy Consultant2022Paris, Île-de-France, France
  4. OneKey (YC S20)Co-Founder & CEO2020 — 2022
  5. Y CombinatorAdmission Team: Startup Evaluator & Analyst2021 — 2022
  6. DeeploopCo-Founder2017 — 2019New York City Metropolitan Area
  7. RBC Capital MarketsAssociate, Quantitative Developer2015 — 2016New York City Metropolitan Area
  8. RBC Capital MarketsSummer Associate, Equity Derivatives2014New York City Metropolitan Area
  9. RBC Capital MarketsAssistant Trader in the Equity Structured Team2012 — 2013London Area, United Kingdom
  10. ExanePart -Time Consultant2012Greater Paris Metropolitan Region
  11. Education NationaleMathematic Khôleur in French “classe préparatoire”2011 — 2012Greater Paris Metropolitan Region

Skills & more

Python (Programming Language)1Salesforce.com1Enterprise Software1VBA20Bloomberg7C++4Microsoft Excel1Genomics9Option Pricing Models9Statistical Data Analysis7Data Modeling1Product Data Management (PDM)1
+12 moreStartupsSalesMarketingFundraisingStart-up LeadershipData AnalysisProduct ManagementProduct MarketingProduct StrategyQuantitative FinanceEquity DerivativesValuation

Languages English · French

From Christophe's professional profile.

Frequently asked questions

Who is Christophe Barre?
Christophe Barre is founder and CEO of Tandem.
Where does Christophe Barre work?
Christophe Barre is Founder of OneKey and Founder at Tandem.
What companies did Christophe Barre found?
Christophe Barre founded OneKey, Tandem.
Where did Christophe Barre go to school?
Christophe Barre studied at Stanford University (Genomics); Columbia University (Master of Science (M.Sc.), Financial Mathematics); École nationale des ponts et chaussées (M1, Mathematics).

Founder mafias

Same school

Shared employers

Also worked at Tandem1

Ulysse PrygielFounder at OneKey

Also worked at OneKey (YC S20)1

Ulysse PrygielFounder at OneKey