Find your path to Guillaume
207 people in our graph share verified history with Guillaume — schools, employers, funds. One of them is your warm intro.
Isaiah Baril-DoreunlockedGuillaume: together at Checkout (2022–2023)
Guillaume: together at Checkout
×6Guillaume: together at EPFL
×4Guillaume: together at HEC Lausanne - The Faculty of Business and Economics of the University of Lausanne
About
Guillaume Pousaz founded Checkout.com in 2012 and has been its CEO throughout, bootstrapping the payments processor for six years before raising outside money and then taking it to a $40bn valuation in a $1bn Series D in January 2022. Swiss-born, he studied at HEC Lausanne and worked in FX payments in California before buying the Mauritius payments business that became Checkout.
Founder & CEO at Checkout
Intro paths
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In turn, Guillaume can intro founders to Checkout's investors below.
Checkout's investors · 12
Altimeter CapitalMenlo Park · $1M – $25M checks · since 2025Blossom CapitalLondonCoatue ManagementNew York · $1M – $20M checksDragoneer Investment GroupSan Francisco · $100K – $5M checksDST GlobalGeorge Town, Grand Cayman · $100K – $200M checksFranklin TempletonSan Mateo · since 2025GICSingapore · since 2025Insight PartnersNew York · $120M – $350M checks · since 2025Qatar Investment AuthorityDohaSprints CapitalLondonTiger Global ManagementNew York · $1M – $100M checks · since 2025Village GlobalCovina · $100K – $500K checks
Experience
- Checkout.comFounder & CEOcurrent2009 — present
Skills & more
Languages English · French · German
From Guillaume's professional profile.
Frequently asked questions
- Who is Guillaume Pousaz?
- Guillaume Pousaz founded Checkout.com in 2012 and has been its CEO throughout, bootstrapping the payments processor for six years before raising outside money and then taking it to a $40bn valuation in a $1bn Series D in January 2022. Swiss-born, he studied at HEC Lausanne and worked in FX payments in California before buying the Mauritius payments business that became Checkout.
- Where does Guillaume Pousaz work?
- Guillaume Pousaz is Founder & CEO of Checkout.
- What companies did Guillaume Pousaz found?
- Guillaume Pousaz founded Checkout.
- Where did Guillaume Pousaz go to school?
- Guillaume Pousaz studied at HEC Lausanne - The Faculty of Business and Economics of the University of Lausanne (Economics); EPFL (Mathematics).
Founder mafias
EPFL mafia115
Also came through, then founded or led a company.
Raquel UrtasunDoctor of Philosophy - PhDFounded WaabiSteve AnaviMaster of Science (MSc)Founded QontoRavi JainInternshipFounded Genylabs +1Veronica Gambillara FonckPhDFounded LimmaTech Biologics +1Anna VybornovaMaster's degreeFounded Polari Group +1Daniel YanisseM.ScFounded Checkr Group +1
+ 108 more
HEC Lausanne - The Faculty of Business and Economics of the University of Lausanne mafia14
Also came through, then founded or led a company.
Taha BawaEconomicsFounded Goodwall +1Michael WeberBachelor of Arts (B.A.)Founded SeedstarsDaniel ElfenBScFounded SolutumJonathan HassanBachelor of Science in ManagementFounded KuliSéverine NolfMaster's degreeFounded PleasefixFlorian BersierBScFounded Gmelius
+ 7 more
Same school
Also attended HEC Lausanne - The Faculty of Business and Economics of the University of Lausanne60
Yannick RitschelInvestor at Backbone VenturesThibault VanvincqInvestment Partner at Joyance PartnersNiklas JamesInvestor at Minds CapitalLaurent OberholzerVenture Partner at TX VenturesGregory DewerpeFounder & Managing Partner at noaDavid PralongManaging Partner at MAYA Capital
+ 54 more
Also attended EPFL188
Raquel UrtasunFounder & CEO of WaabiSteve AnaviCo-founder & President of QontoBouraux LeopoldAI & Data Engineer at Newfund CapitalJan-Olivier FillolsSenior Managing Director at Marlin Equity PartnersChristoph FreiPartner, Head of Energy at Emerald Technology Ventures AgMichael ZehnderHead of Digital Technology & Intelligence at Emerald Technology Ventures Ag
+ 182 more
