Bryan Johnson: Biography, Net Worth & Longevity Mission

Bryan Johnson is an American entrepreneur, venture capitalist, and longevity enthusiast best known as the founder of Braintree, Kernel, and the anti-aging initiative Blueprint. He is pioneering the intersection of human biology and technology to slow — and possibly reverse — the aging process.

Bryan Johnson Biography

Bryan Johnson was born in Provo, Utah, and raised in a Mormon family in Springville. He spent two years as a missionary in Ecuador before returning to pursue higher education. Johnson earned his Bachelor’s degree from Brigham Young University and later completed an MBA at the University of Chicago Booth School of Business.

His upbringing instilled discipline, while his curiosity drove him toward business, science, and personal development.

Career

Braintree & Venmo

In 2007, Johnson launched Braintree, a payment company that quickly grew and acquired Venmo in 2012. The combined success caught PayPal’s attention, leading to an $800 million acquisition in 2013. Johnson reportedly earned over $300 million from the sale.

OS Fund

Using his newfound wealth, Johnson launched the OS Fund in 2014, committing $100 million to cutting-edge science startups working in genomics, synthetic biology, and AI.

Kernel

In 2016, Johnson founded Kernel, a neurotechnology company creating brain-monitoring devices. Kernel’s products, Flow and Flux, allow non-invasive tracking of brain activity, offering insights into memory, cognition, and mental health.

Project Blueprint

In 2021, Bryan Johnson unveiled Project Blueprint, a rigorous personal health protocol aiming to reverse his biological age. He spends $2 million annually on anti-aging technologies, which include:

• Over 100 supplements daily

• Strict vegan diet

• Constant biometric monitoring

• Plasma transfusions and advanced therapies

In 2025, Johnson announced his intent to sell or offload Blueprint, citing burnout and a shift in focus toward AI and longevity advocacy.

Personal Life

Bryan Johnson is the father of three children. He was previously engaged to Taryn Southern, a YouTuber and singer, with whom he had a legal dispute.

Though raised Mormon, Johnson left the LDS Church in 2013. He now lives a vegan, highly regimented lifestyle, emphasizing self-control, data tracking, and mental clarity.

He also promotes books, ideas, and conversations centered on post-humanism, radical life extension, and the coexistence of AI.

Bryan Johnson Net Worth (2025)

Bryan Johnson’s estimated net worth is between $300 million and $400 million. His wealth stems largely from:

• The sale of Braintree to PayPal

• Investments through OS Fund

• Ownership stakes in Kernel

Despite spending millions annually on Blueprint, his assets and company valuations keep him among the wealthiest figures in the biohacking and neurotech industries.

Key Takeaways

1. Tech-Driven Wealth Creation

Bryan Johnson built his fortune through innovation, notably Braintree and Venmo.

2. Scientific Philanthropy

He reinvested his wealth into deep-tech ventures aimed at reshaping human potential.

3. Pushing Human Limits

With Blueprint, Johnson is a pioneer in extreme biohacking and age-reversal research.

4. Culture of Longevity

Johnson is shifting the narrative around death, aging, and the future of humanity.

Final Thoughts

Bryan Johnson is not just another tech billionaire—he’s a visionary redefining what it means to be human. From revolutionizing digital payments to decoding the brain and body, Johnson embodies the fusion of technology, biology, and futuristic ambition. Whether or not his dream of “not dying” comes true, his impact on longevity science and neurotechnology is undeniable.