Kai (Jiabo)

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Co-founder of 1Flow 

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January 2023


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About Kai (Jiabo)

Kai (Jiabo) Feng is the founder and CEO of 1Flow (, a user engagement platform for tech startups. Prior to starting 1Flow, Kai bootstrapped a B2C mobile subscription app studio as as an indie developer and grew it to 7-figure in annual revenue. Kai graduated from Stanford University with a B.S. in Product Design in 2017, and later with a M.S. in Management Science in 2021, in between which he worked as a product manager at Pocket Gems, a mobile gaming company.

Companies & Work



1Flow is building a user engagement layer for all apps on mobile and web to help companies increase conversion and reduce churn at scale – starting with in-product user feedback collection. Our first product is a flexible tech platform to collect in-product user feedback, that directly feeds into product development so you can know why churn and conversion happen, and launch features that will have a direct ROI to a company’s bottom line.

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