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Bryan Johnson

Bryan Johnson is an American technology entrepreneur, venture capitalist, and longevity-focused biohacker.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Bryan Johnson is an American technology entrepreneur, venture capitalist, and longevity-focused biohacker. He is best known as the founder of Braintree and the creator of the anti-ageing project Blueprint, which has drawn wide media attention for its strict health regimen and claims about biological age reversal. His other ventures include Kernel, a company focused on measuring brain activity, and OS Fund, a venture capital firm.

Early career and business ventures

Johnson became wealthy in the technology sector and is most closely associated with Braintree, the payments company he founded. Braintree later acquired Venmo and was sold to PayPal for $800 million. He later moved into venture capital and brain-computer interface research through OS Fund and Kernel.

Blueprint and longevity biohacking

Blueprint is Johnson's self-directed health and longevity program, built around strict routines, testing, supplements, and medical monitoring. He has described it as an effort to slow or reverse biological ageing. Media reports say he spends about $2 million a year on his anti-ageing routine. His public messaging around longevity is often framed by the slogan 'Don't Die'.

Public profile and media attention

Johnson has become a prominent public figure in the biohacking and longevity world, appearing in interviews, documentaries, and news coverage. Reporting often focuses on the scale, cost, and unusual details of his regimen.

Claims, criticism, and medical controversy

Johnson has made claims about improved biomarkers and reduced biological age, but these claims are based on his own project and have attracted scrutiny. Coverage has also noted side effects and the experimental nature of some interventions he has tried.

Key facts

  • Founded Braintree, which acquired Venmo and was sold to PayPal for $800 million.
  • Later founded Kernel (brain activity measurement) and OS Fund (venture capital).
  • Created Blueprint, a personal longevity project with strict diet, exercise, sleep, supplements, and biometric monitoring.
  • Spends about $2 million per year on his anti-ageing routine.
  • His claims about biological age reversal have attracted scrutiny and controversy.
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Canadian context

Johnson has been widely covered by Canadian readers through international business, health, and technology media, but he has no major Canada-specific public role identified in the supplied sources.

Frequently asked questions

Who is Bryan Johnson?
He is an American entrepreneur and venture capitalist best known for founding Braintree and for his longevity project Blueprint.
What is Blueprint?
Blueprint is Johnson's personal anti-ageing and health optimization regimen, involving diet, exercise, sleep, supplements, and medical testing.
Why is he famous in biohacking?
He became a high-profile figure by publicly treating his body as a longevity experiment and sharing detailed health data and routines.
What companies is he associated with?
He is associated with Braintree, Kernel, and OS Fund.
How much does his routine cost?
Media reports have estimated his annual spending on the project at about $2 million.
Has he claimed to reverse ageing?
Yes. He has claimed improvements in biological age and ageing rate, though these claims are based on his own project and remain controversial.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Bryan_Johnson
    Supports: Birth date, nationality, occupations, Braintree, Kernel, OS Fund, and Blueprint overview
  2. CNNhttps://www.cnn.com/2024/11/30/business/video/bryan-johnson-biohacker-reverse-aging-ldn-digvid
    Supports: Public profile as a biohacker and annual spending estimate
  3. The Independenthttps://www.independent.co.uk/life-style/health-and-families/bmi-b2577377.html
    Supports: Blueprint Protocol, biohacking focus, and annual cost estimate
  4. The Guardianhttps://www.theguardian.com/film/2025/jan/02/bryan-johnson-documentary-dont-die-netflix
    Supports: Don't Die slogan, strict regimen, and documentary-related coverage
  5. Naturehttps://www.nature.com/articles/d41586-026-01884-z
    Supports: Rapamycin trial, side effects, and longevity experiment context
  6. USA Todayhttps://www.usatoday.com/story/life/health-wellness/2026/07/06/biohacker-bryan-johnson-reveals-autoimmune-gastritis/90818745007/
    Supports: Recent disclosure of autoimmune gastritis
  7. TIMEhttps://time.com/collections/future-of-living/7341335/bryan-johnson-longevity/
    Supports: General longevity focus and 'Don't die' framing