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Fortune
Fortune
Fortune Editors

He sold his company to PayPal for $800 million. Now, he's spending $2 million a year to stay young forever—no cheat days allowed

Alyson Shontell interviews Bryan Johnson on stage at Fortune Brainstorm Tech 2023.

Bryan Johnson says he's unlocking the secrets of eternal youth.

The tech CEO sold his company, Braintree Venmo, to PayPal for $800 million in 2013. Now, the 45-year-old says he's devoted his entire life to "neutralize" the aging process with his company Blueprint.

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