Bryan Johnson, a 46-year-old American entrepreneur, founded Kernel (a brain activity recording device company), OS Fund (a venture capital firm focused on science and technology), and Braintree (a payment platform acquired by PayPal for $800
anti-aging research
ACSH relies on donors like you. If you enjoy our work, please contribute.
Make your tax-deductible gift today!
Popular articles
ACSH Podcasts
