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Justin Ko

Founder

Founder at Opkit

New York City Metropolitan Area

FoundedOpkit · YC

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About

Justin Ko was an early engineer at Brex working on growth, card, and cash products, and previously co-founded SpeakGenius, an English learning application. He studied entrepreneurship at the University of Southern California.

Founder at OpkitYC S21

Intro paths

YC

Justin went through Y Combinator (Summer 2021) — any YC alum in your network can reach them through the YC community.

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In turn, Justin can intro founders to Opkit's investors below.

Opkit's investors · 7

Andreessen HorowitzMenlo Park · $500K – $50M checksCambrian VenturesSan Francisco · $300K – $1M checksGlobal Founders CapitalBerlin · $1M checks · since 2023MischiefSan Francisco · $1M – $5M checks · since 2023Socially FinancedChatham · $100K – $250K checks · since 2023Twenty Two VenturesPalo Alto · $50K – $250K checksY CombinatorSan Francisco · $500K checks · since 2021

Co-founders at Opkit

SCSherwood Callaway
Sherwood CallawayCEO

Frequently asked questions

Who is Justin Ko?
Justin Ko was an early engineer at Brex working on growth, card, and cash products, and previously co-founded SpeakGenius, an English learning application. He studied entrepreneurship at the University of Southern California.
Where does Justin Ko work?
Justin Ko is Founder of Opkit.
What companies did Justin Ko found?
Justin Ko founded Opkit.

Founder mafias

About this profile. Compiled from public sources — Opkit's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights