About Yun Kai
Yun Kai is a co-founder and CEO, director at Cambridge Heavy Industries.
Experience
This experience comes from Yun Kai's profile and from SEC filings. For roles taken from filings, the years are when the filings name Yun Kai in the role, so the role may have started earlier or lasted longer.
Cambridge Heavy Industries Inc. Current
Co-founder and CEO, director
Co-Founder/CEO (2025 – Present)
2025 – Present · Cambridge, MA
Develops compact fusion machines to produce fuel for fusion reactors.
MT
Massachusetts Institute of Technology
Research Scientist
2020 – 2025
SG
SCANLAB GmbH
Research And Development Engineer
2018 – 2019
MC
Max Planck Institute for Biophysical Chemistry
Research Assistant
2012 – 2013
GT
Georg-August-Universität Göttingen
Teaching Assistant
2012
Key Colleagues at Startups
The people Yun Kai works with at each company, as listed on that company's latest Form D.
Cambridge Heavy Industries Inc. · Form D, Oct 7, 2026

Raffi Freeman
Co-founder and director
MN
Matthew Nordan
Director