ecosystem / people / joost-ouwerkerk
J

Joost Ouwerkerk

Co-founder, Hopper

Travel

Joost Ouwerkerk co-founded Hopper, the Montreal travel app that predicts flight and hotel prices, with Frederic Lalonde in 2007 and served as its chief technology officer. Ouwerkerk stepped back from an active role at Hopper in November 2022 and is now CTO and co-founder of Deep Sky, a Canadian carbon removal company.

Joost hasn’t spoken on a TechTO, TechVancouver or TechWaterloo stage. This profile is here because Joost co-founded Hopper.

Around the web ×3

Article
Hopper co-founders launch new carbon capture startup, Deep Sky, with $10 million in fundingBetaKit
2023
Video
The Digital Evolution of Travel - Joost Ouwerkerk, Hopper | #DigitalK2019Digitalk Conference
2019
Interview
Hopper talks artificial intelligence in travelPhocusWire
2018

Quick answers

What is Joost Ouwerkerk's connection to Hopper?

BetaKit reported on 2023-05-08 that Frederic Lalonde and Joost Ouwerkerk founded Hopper in 2007. A PhocusWire video posted 2018-06-20 introduces Ouwerkerk as Hopper's co-founder and CTO.

Is Ouwerkerk still working at Hopper?

BetaKit reported on 2023-05-08 that Ouwerkerk stepped back from an active role at Hopper in November 2022 and began working on Deep Sky as CTO the same month.

What does Ouwerkerk do now?

Deep Sky's company page, checked 2026-09-25, lists Joost Ouwerkerk as CTO and co-founder on its leadership team. BetaKit described Deep Sky on 2023-05-08 as a carbon capture startup launched by the two Hopper co-founders with former Airbnb CFO Laurence Tosi.

Suggest an edit
This is you? Claim this profileAsk to be removed
Know someone who belongs here? Suggest a profile
Maintained by TechTO · facts sourced and dated · last reviewed Sep 25, 2026