My protocol
The subset of Bryan Johnson's Blueprint I actually live, with results as of Oct 1, 2026.
See my protocol →Now · Immortals
I run technology at Immortals, a health company.
I'm James Chen. MIT Course 6, CTO a few times over, and I've been writing code since an Apple IIe in 1988. I've built software for trade, food and construction. Now it's health.
Chief Technology Officer · Feb 2026 – present · Working remotely from Short Hills / Millburn, NJ
Where I've worked
- FreeCause
Current role
Immortals.
Formerly Blueprint by Bryan Johnson. We turn the science into protocols people can actually follow.
Start here
What I am actually doing for my health.
How I lost the fat
Zone 2 at about 120 bpm, protein and lifting, and a deficit I could keep.
Read the fat-loss write-up →
Career timeline
Companies I started or joined, from CampusCraze in 1999 through Immortals today. Pan horizontally inside the chart to explore.
- CampusCraze
Aug 1999
CampusCraze
Founder & CEO
- FreeCause
May 2008
FreeCause
Acquired by Rakuten, Sep 2009