ecosystem / people / ian-wong
Ian Wong on the TechTO & TechVancouver stages

Ian Wong

Co-founder & CEO, Summation

Enterprise AIBellevueOn TechTO & TechVancouver stages since 2020

Ian Wong is the co-founder and CEO of Summation, a Bellevue AI startup that raised $35M from Benchmark and Kleiner Perkins. He co-founded Opendoor and was its CTO for eight years. Raised in Vancouver, he was Square's first data scientist after dropping out of a Stanford statistics PhD.

On the TechTO & TechVancouver stages ×2

First seen on the TechTO & TechVancouver stages in 2020. Every talk is searchable — ask the archive about Ian

In their words

In mindset it's like, why can't a Vancouver entrepreneur lead the next 100 billion dollar company? There's literally no reason why that can't be the case.

TechVancouver, Dec 2021 · watch at 28:57

In engineering there's this notion of a post-mortem — like you have an outage or a bug, what's the root cause? I think it's helpful to actually take that mindset and apply that to a team. It sounds meta, it sounds kind of a waste of time, but it's absolutely not.

TechVancouver, Dec 2021 · watch at 27:24

And I realized, holy crap, none of the things I was studying in school was useful. In fact it required a completely new way of actually handling data, quite new ways of actually thinking about products and machine learning at scale.

TechTO, Sep 2020 · watch at 3:10
A few quotes can’t cover everything Ian said on the TechTO & TechVancouver stages. 1,600+ talks are searchable.Ask about Ian

More from TechTO ×1

Around the web ×2

Quick answers

What is Ian Wong known for?

Co-founding Opendoor in 2014 and serving as its CTO for eight years, building the pricing and machine learning systems behind buying and selling homes at scale. He now runs Summation, an enterprise AI company he co-founded after leaving Opendoor.

What did Ian Wong do before Opendoor?

He was Square's first data scientist, hired when the engineering team was about 13 or 14 people, where he built fraud detection tools and machine learning systems. Before that he dropped out of a statistics PhD at Stanford, where he also did his undergrad in electrical engineering.

What is Ian Wong's connection to Canada?

He came to Canada from Hong Kong in the 1990s and grew up in Vancouver, going to middle school and high school there before leaving for Stanford. He still calls Vancouver home, and returned to the TechVancouver stage in December 2021.

How many times has Ian Wong spoken at TechTO?

Twice — a September 2020 talk on how team culture enables growth, and a December 2021 in-person Vancouver talk on the entrepreneurial journey.

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 Aug 25, 2026