Achievements
- Built Korea's first game portal at age 21
- Co-founded Sendbird in 2013, which hit unicorn status in 2021
- Sendbird now serves over 300 million chat users monthly
- Holds a patent for tech used in smart pens
- Over 20 years of experience across multiple tech roles including product management and security
- Studied at Y Combinator, Korea University, and Hankuk University of Foreign Studies
Check out Brandon Jeon
Yo, have you heard of Brandon Jeon? Dude is the real deal in the startup game. He’s been crushing it for over 20 years, and his story is pure fire. Started coding when he was just 9, like, that’s basically a superpower. By 21, he was already building Korea’s first game portal (game.korea.com), which is crazy early for that scene. The guy’s always been ahead of the curve.
Fast forward, he co-founded Sendbird back in 2013, yeah, the chat platform everyone uses now. That thing blew up and hit unicorn status in 2021, serving over 300 million chat users every month. No cap, that’s huge. Brandon’s been deep in the trenches, wearing every hat from Head of Trust & Safety to Sales to Product Manager. The guy’s seen every side of building a killer product and scaling a company. He’s not just about creating tech; he’s about making sure it actually works, sticks, and keeps users coming back.
His background is legit stacked. He’s got a Master’s in Computer Science from Korea University, a Bachelor’s from Hankuk University of Foreign Studies, and even studied at Y Combinator. That’s some serious creds. Before Sendbird, he was at GREE, NeoLAB, NEOWIZ GAMES, and a bunch of other places, leading teams, building products, and always pushing the envelope. He even holds a patent for tech used in smart pens. The dude’s always been about innovating and making stuff that actually moves the needle.
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Talk to herWhat’s dope about Brandon? It’s his relentless drive. He’s been in the game forever, always jumping into new tech and new roles, never settling. His process shows that he’s not just about making a quick buck but about solving real problems, like how we communicate today. Building Sendbird wasn’t just business for him; it was about creating a platform that connects people in new ways.
So, yeah. Brandon Jeon is one of those guys who’s been grinding since he was a kid, turned that passion into a career that’s shaped how millions chat online. He’s a proof to what happens when you mix talent, hustle, and a never-give-up attitude. That’s why he’s so important, he’s not just riding the wave, he’s making it.

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