Find your path to Joost
459 people in our graph share verified history with Joost — schools, employers, funds. One of them is your warm intro.
Tobi CokerunlockedJoost: together at Stealth (2026)
×5Joost: together at Stealth
×4Joost: together at Creative Destruction Lab
×2Joost: together at Expedia
About
Joost Ouwerkerk is a co-founder of Hopper, a consumer travel app platform, and Deep Sky, a carbon dioxide removal developer. He currently serves as Co-Founder and COO at a stealth-stage company.
CTO & Co-Founder at Deep Sky
Intro paths
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In turn, Joost can intro founders to Deep Sky's investors below.
Deep Sky's investors · 4
Co-founders at Deep Sky
FL
Fred LalondeCo-Founder; Chairman
Experience
- StealthCo-Founder, COOcurrent2026 — presentCanada
- Deep SkyCo-Foundercurrent2022 — presentMontreal, Quebec, Canada
- Deep SkyCo-Founder, CTO2022 — 2026Montreal, Quebec, Canada
- HopperCo-Founder2007 — 2022Greater Montreal Metropolitan Area
- HopperCo-Founder, CTO2012 — 2020Greater Boston
- HTS (Hopper Technology Solutions)Co-Founder, Head of B2B Engineering2020 — 2022Montreal, Quebec, Canada
- Creative Destruction Lab - MontrealFellow2020 — 2022Montreal, Quebec, Canada
- ExpediaProduct Manager2002 — 2007Montreal, Canada and Greater Seattle Area
- Newtrade TechnologiesSoftware Developer2001 — 2002Greater Montreal Metropolitan Area
- Netvention Inc.Software Developer2000 — 2001Greater Montreal Metropolitan Area
Skills & more
Creative Problem SolvingTeam ManagementStrategic PlanningStrategyManagementLeadershipSQLRenewable EnergySingle-Threaded OwnershipStart-ups2Climate ChangeStartup Development
+12 more
Carbon Dioxide Removal (CDR)Research and Development (R&D)Travel TechnologyTeam BuildingDirect Air Capture of CO2Clean Energy ProcurementCarbon SequestrationCustomer Focused DesignModular ConstructionTechnical Product ManagementRapid Application Development (RAD)Site Reliability EngineeringLanguages Dutch · English · French
From Joost's professional profile.
Frequently asked questions
- Who is Joost Ouwerkerk?
- Joost Ouwerkerk is a co-founder of Hopper, a consumer travel app platform, and Deep Sky, a carbon dioxide removal developer. He currently serves as Co-Founder and COO at a stealth-stage company.
- Where does Joost Ouwerkerk work?
- Joost Ouwerkerk is CTO & Co-Founder of Deep Sky.
- What companies did Joost Ouwerkerk found?
- Joost Ouwerkerk founded Deep Sky.
- Where did Joost Ouwerkerk go to school?
- Joost Ouwerkerk studied at McGill University (BA); University of Amsterdam (MA); École de technologie supérieure (DESS, Software Engineering).
Founder mafias
McGill University mafia207
Also came through, then founded or led a company.
Noubar AfeyanBSFounded ProFound Therapeutics +13Avak KahvejianB.Sc.Founded ProFound Therapeutics +5Jeffrey KarpBENGFounded Tissium +3Serge MesserlianMaster of Science - MScFounded Creyon +1Natalia BakaevaArtsFounded cashew +1Lauren GropperBachelor's degreeFounded Repurpose +1
+ 200 more
University of Amsterdam mafia74
Also came through, then founded or led a company.
Job van der VoortBScFounded Remote Technology +1Helmuth van EsDoctor of Philosophy (PhD)Founded Antabio +2Sebastian BrunemeierMScFounded Cyclone Therapeutics +1Ingrid van WelieBachelor's degreeFounded Neural Dynamics Technologies +1Daniel HavenFounded Slauth.io +1David WylerBachelor's degreeFounded Kairos +1
+ 67 more
Creative Destruction Lab mafia69
Also came through, then founded or led a company.
Christoph LengauerAssociateFounded Celsius Therapeutics +3Adrien CohenStartup Mentor - AI / Neuro / Climate Stream (Oxford / Toronto / Paris)Founded Lazada +1Stephen LakeMentor - Climate StreamFounded Jetson Home +1Myra ArshadVenture - Matter StreamFounded Fluidic +1Kevin HeyriesMentor AssociateFounded AbCellera +1Jason AramburuMentorFounded Applied Carbon +1
+ 62 more
École de technologie supérieure mafia10
Also came through, then founded or led a company.
Devansh SwarupUndergraduate ResearcherFounded PaperplaneThomas CortinaBachelor of EngineeringFounded EliEtienne LacroixBscFounded VentionRobin TemporelliOne half yearFounded REEVMaxime RochonbaccalauréatFounded Puzzle MedicalYves-Antoine CrêteMechanical EngineeringFounded Puzzle Medical
+ 3 more
Same school
Also attended McGill University696
Harley FinkelsteinInvestor at Felicis VenturesMattias LjungmanInvestor at Moonfire VenturesNoubar AfeyanInvestor at Flagship PioneeringDavid NaultGeneral Partner at Luge CapitalLaviva MazharPrincipal at Luge CapitalLisa PurcellInvestor at Third Rock Ventures
+ 690 more
Also attended University of Amsterdam294
Job van der VoortCo-founder & CEO of RemoteMartijn KleijwegtInvestor at LSP (Life Sciences Partners)René KuijtenInvestor at LSP (Life Sciences Partners)TorjusInvestor at InvestinorDamien van der BijlInvestment Director at Capricorn Venture PartnersAndrea van ElsasInvestor at Third Rock Ventures
+ 288 more
Also attended École de technologie supérieure21
Julien MarolleauSenior Analyst at NAventuresGuillaume RoyChief Product Officer and Co-founder at Workleap at Boreal VenturesSimon De BaeneCo-founder & CEO at Workleap at Boreal VenturesZineb MorchidFinancial Accountant at Aqua SparkHassan el BouhaliMentor at Amiral VenturesDevansh SwarupAnalyst at Together Fund
+ 15 more
Shared employers
Also worked at Stealth141
Tobi CokerDeal Partner at Felicis VenturesSusana RojasInvestor at Index VenturesCasber WangOperating Partner at Sapphire VenturesOlivier GrindaVenture Partner at FJ LabsZachary GinsburgVenture Partner, Calm Ventures at GaingelsArtia MoghbelInvestor at Draft Ventures Llc
+ 135 more
Also worked at Hopper15
Laura LenzInvestor at OMERS VenturesJack FraserPartner at BDC Venture CapitalDinar AhmedPartner at BDC Venture CapitalMichael McGrawPrincipal at Inovia CapitalSteven ChungVice President at Inovia CapitalRiku SeppäläGeneral Partner at Icebreaker
+ 9 more
Also worked at Creative Destruction Lab - Montreal12
Jacques PerreaultPartner at Brightspark VenturesDomenic Del VecchioPrincipal at Panache VenturesKaty Yam"The Indiana Jones of ideas" — a connector of people and ideasFelicityInvestment Manager at BoxOne VenturesMagaly CharbonneauPartner at Inovia CapitalLouis-Martin RousseauMentor at Amiral Ventures
+ 6 more
Also worked at Expedia76
Henrique DubugrasCo-founder & former chairman of BrexMike FridgenVenture Partner at Madrona Venture GroupJillExecutive Assistant at Thomson Reuters VenturesBrian ReganManaging Director and Chief Financial Officer at Spectrum EquityCraig BlairCo-founder & Partner, Chair of Investments at AirTree VenturesBrianne KimmelFounder & Managing Partner at Worklife Ventures
+ 70 more