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Did Mahyar Raissi co-found Quo?
Yes. Quo's about page, checked 2026-10-15, says Quo (formerly OpenPhone) was founded in 2018 by Mahyar Raissi and Daryna Kulya, and its leadership list gives Raissi as CEO & Co-Founder. Y Combinator's company page for Quo (fka OpenPhone), checked the same day, lists Raissi as Founder/CEO in the Summer 2018 batch.
Is Quo a Canadian company?
It was founded in Canada. MobileSyrup reported on 2018-06-19 that Kitchener, Ontario-based entrepreneurs Daryna Kulya and Mahyar Raissi had launched OpenPhone, and The Logic's 2025-09-23 report on the US$105M financing called the company Canadian-founded. BetaKit reported on 2020-01-29 that the startup opened its headquarters in San Francisco after Y Combinator, quoting Raissi that its Canadian roots would remain part of its identity. No fetched page states where Raissi is based today, so this profile lists no city.
What did Raissi do before OpenPhone?
Raissi told TechCrunch on 2018-07-01 that, after growing up in a family whose income depended on the parents' businesses, Raissi joined a software company building back-office tools for home improvement contractors, and noticed users running their businesses on personal phone numbers. Quo's about page, checked 2026-10-15, tells the same story: while building tools for trade contractors, Raissi saw that the ones who communicated better earned more.
What has the company raised?
Raissi's post on Quo's blog dated 2020-01-29 announced a US$2M seed led by Slow Ventures; BetaKit reported the same round as $2.6M CAD, closed in November 2018. TechCrunch reported on 2022-04-07 a US$40M Series B led by Tiger Global, following a US$14M Series A led by Craft Ventures in 2020. Raissi's post of 2025-09-23 announced US$105M alongside the rebrand to Quo; The Logic reported that as US$96M from General Catalyst's Customer Value Fund plus US$9M in equity from existing backers including Kitchener-based Garage Capital. All checked 2026-10-15.