Bryan Johnson

Entrepreneur, founder of Blueprint and Kernel

American entrepreneur who founded Braintree, the OS Fund and the brain-measurement company Kernel. Since 2021 he has run Project Blueprint, a personal anti-aging protocol that became a consumer health company, and he promotes a philosophy he calls "Don't Die." He publicly shares his biomarker data; some aging researchers have expressed skepticism about the results he reports.

WHAT TO WATCHUpdates to his publicly shared Blueprint protocol and biomarker data, the Blueprint company and the Don't Die community, including how he continues the regimen after his 2026 autoimmune gastritis diagnosis.