Our team

Scientific leadership from MIT and beyond

Fusion has traditionally required massive facilities like NIF and LMJ. CHI takes this science and miniaturizes it into a modular, benchtop platform.

technology created at

Dr. Yun
Kai

Co-founder and CEO

Former MIT Research Scientist, specialist in laser optics & high-pressure physics, industry experiences in advanced manufacturing. Alumnus of NSF I-corps and Blueprint by The Engine.

Prof. Keith
Nelson

Co-founder, Haslam & Dewey Professor of Chemistry, MIT

Expert in ultrafast spectroscopy, quantum materials, and materials at extremes, co-founder of a startup acquired by Philips.

Dr. Steve
Kooi

Co-founder, Principal Research Scientist, MIT ISN



Specialist in applying laser and electron-based techniques for the study of materials under extreme conditions.

Patents & Intellectual Property

Our technology is protected by a growing IP portfolio

These IPs cover both our core laser fusion methods and tritium production systems, positioning CHI as one of the first-movers in the fusion supply chain.

$30M

Market Price per kilogram

Why tritium matters

Tritium is essential for nearly all fusion energy projects

As the world races toward commercial fusion power, securing a sustainable tritium supply chain is a global challenge.

why tritium?

Careers

We are building a world-class team of physicists, engineers, and innovators to take laser fusion from proven science to engineering reality.

We are hiring in Cambridge, MA! Reach out to us directly if you are passionate about ultrafast lasers, optical and neutron spectroscopies, shock physics, materials at extremes, nuclear engineering, hydrocode simulation, or business development, we would love to hear from you.

ykai@cambridgeheavy.xyz