George Deglin is the co-founder and CEO of OneSignal, the market-leading customer engagement platform used by over 1.6 million developers and marketers to send more than 10 billion messages daily across push, email, SMS and in‑app channels. A UC Berkeley computer science alumnus and Y Combinator founder, he blends startup leadership with deep engineering roots—from early software roles and co-founding mobile game studio Hiptic Games to a successful stint as a bug bounty hunter rewarded by Facebook and Google. He has scaled OneSignal to serve enterprise customers like Zynga and Product Hunt and helped secure $35M in funding while driving product vision and execution. Known for turning gameplay and security insights into resilient messaging infrastructure, he pairs technical rigor with a founder’s instinct for product-market fit.
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