Bryan Johnson is an American entrepreneur best known for founding Braintree, which sold to PayPal, and later launching Kernel and Project Blueprint. He was born on August 22, 1979, making him 44 years old in 2025. This article outlines his age at key points, career timeline, and the rigorously tracked health regimen that defines his public persona.
Biographical Overview and Age Milestones
Bryan Johnson was born in Provo, Utah, on August 22, 1979. He founded Braintree in 2007, sold it to PayPal in 2013 for approximately $800 million, and stepped away from day-to-day ventures before entering his later projects. Kernel, focused on brain monitoring systems, began in 2016, while Project Blueprint, his comprehensive longevity program, launched publicly in 2022. Below is a table summarizing his age at notable dates.
Age and Career Timeline
| Date or Period | Age | Key Milestone | Source Type |
|---|---|---|---|
| August 22, 1979 | 0 | Birth | Verified biography |
| 2007 | 27–28 | Founded Braintree | Business records |
| 2013 | 33–34 | Braintree sold to PayPal (~$800M) | Press and SEC filings |
| 2016 | 36–37 | Launched Kernel | Company announcements |
| 2022 | 42–43 | Project Blueprint released publicly | Media coverage |
| 2025 | 44–45 | Current publicly reported age | General references |
Kernel and Focus on Brain Monitoring
Kernel, founded in 2016, develops wearable sensors that monitor blood flow and electrical activity in the brain. Johnson has described the venture as a step toward understanding and augmenting cognitive function. The company initially explored both research and consumer-facing hardware approaches, emphasizing neuroscience data collection.
Project Blueprint: Longevity Routine and Health Regimen
Project Blueprint is a quantified self program that combines nutrition, exercise, sleep optimization, and biometric monitoring. Johnson follows a strict daily schedule, including continuous glucose monitoring, regular blood tests, and a precisely timed supplement protocol. He has undergone multiple advanced scans, such as MRI and DXA, to track physiological changes over time.
Core Components of the Blueprint
- Nutrition: Calorie control and nutrient timing
- Exercise: Strength, cardio, and recovery protocols
- Sleep: Tracking and optimization strategies
- Biometrics: Regular labs, imaging, and wearables
Verification and Public Records
Age and career details are drawn from public business filings, interviews, and company announcements. The 2013 sale of Braintree to PayPal is widely reported with confirmed transaction values. Kernel’s product timelines and Project Blueprint’s launch in 2022 are covered in reputable technology and science media.
Common Questions About Bryan Johnson’s Age
Because his birthday is in August, he turns a new year older in late summer. As of the current date in 2025, he is 44 years old. Future updates will adjust accordingly, given consistent birthdate reporting.
Summary
Bryan Johnson, born August 22, 1979, is 44 years old in 2025. After selling Braintree to PayPal, he founded Kernel and later launched Project Blueprint, a detailed longevity-focused routine. His age at key moments aligns with company milestones and publicly available records, providing a reliable timeline for understanding his career and personal biometric journey.