The centimillionaire who has spent a fortune on procedures to keep his body young, including injecting himself with his teenage son’s blood. Bryan has achieved metabolic health equal to the top 1.5% of 18 year olds, inflammation 66% lower than the average 10 year old, and reduced his speed of aging by the equivalent of 31 years.

In 2023, Bryan launched Rejuvenation Olympics, a leaderboard assessing one's speed of aging using DNA methylation. Bryan is also the founder & CEO of Kernel, creator of the world’s first mainstream non-invasive neuroimaging system.