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SendBird

SendBird is the chat API for mobile apps and websites. We help developers build 1-on-1 messaging and group chat in 5 minutes. Founded by 2nd time entrepreneurs.

News and Press

SendBird (YC W16) Adds Real-Time Messaging to Any App in Minutes

Y Combinator • Feb. 13, 2016

User engagement and retention is one of the biggest pain points for app developers: Research shows that the average app loses 77 percent of its users in the first three days. One of the best ways to keep users around is to add messaging and chat features -- but doing so can be time and labor intensive for a developer team.

SendBird Looks To Help Developers Add Chat Functions To Any App

TechCrunch • Feb. 12, 2016

Sendbird is live in 340 apps now, Kim says. He also says Sendbird has around 2 million monthly active users chatting through its platform. The company is working on bot integrations, much in the same way Slack has, where users can tie third-party services into the messaging portions of an app.

Founders / Key Team

John Kim
John Kim
CEO & Co-Founder

John is CEO and Co-founder at SendBird. He was formerly founder and CEO at Paprika Lab, a social gaming company (acquired by GREE). He worked in Business Development for GREE before starting SendBird. He has a BS in Computer Science Engineering from Seoul National University.

Harry Kim
Harry Kim
CTO & Co-Founder

Harry is CTO at SendBird. Harry has been working in IT field since 2006 after he graduated from Monash University with a BS in Computer Science and started his career with network security company. Harry also has experience in software development in a broad range of IT fields including search engines, social network games, 3D mobile games and mobile SNS. He was formerly Technical Director at Paprika Labs.

Brandon Jeon
Brandon Jeon
Head of Sales & Co-Founder

Brandon is co-founder and Head of Sales at SendBird. Prior to this, he was a Product Manager at GREE Korea after acquisition of Paprika Lab, a social gaming startup. Previously served in key leadership roles at Neolab Japan, mostly as developer and engineering manager of Neolab's Smart Pen, Online Game League, and mobile products.

Forest Lee
Forest Lee
Lead Designer & Co-Founder

Forest Lee specializes in UI/UX and graphic design for apps/services, but also has extensive experience creating print designs, CI/BI, and design goods.

Mark Lee
Mark Lee
Head of Growth

Mark is Head of Growth at SendBird. He was formerly a Business Owner at TMON a leading mobile e-commerce player in Korea where he worked in corporate strategy, business development. Prior to TMON, he was a management consultant at McKinsey.

Jin Ku
Jin Ku
Head of Engineering

Jin Ku leads Engineering at SendBird. He was formerly a Senior Software Engineer at Apple and has held roles in Product Management and Lead Engineering teams. He has a BS in Engineering from Seoul National University and an MS in Computer Science and an MS in Management Science and Engineering both from Stanford University.