Grant Lee
Co-founder and CEO of Gamma, the AI presentation tool; earlier Optimizely's interim CFO.
At a glance
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- Grant Lee is the co-founder and CEO of Gamma, the AI-powered presentation tool he has been building since 2020.
- Gamma reached $100 million ARR in just over two years with a team of around 50 people (as of November 2025), and has been profitable for most of its history.
- Before Gamma he was a Stanford engineer, Optimizely's interim CFO and ran operations at ClearBrain, which Amplitude acquired.
Key facts
- Gamma
- Co-founder and CEO; building it since 20202
- Gamma growth
- $100 million ARR in just over two years, with a team of around 50 (as of November 2025)1
- Valuation
- $2.1 billion, a few months after Forbes named Gamma to its Next Billion-Dollar Startups list (2025)2
- Before Gamma
- Stanford engineer; Optimizely's interim CFO; ran operations at ClearBrain (acquired by Amplitude)2
Links
Sources
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