
JJ Cooling Innovation specializes in passive two-phase cooling solutions for high-power electronics, targeting AI, HPC, and 5G markets. Their technology leverages natural phenomena like gravity-driven thermosyphons and pulsating heat pipes, eliminating moving parts for enhanced efficiency, sustainability, and reliability. The company offers consulting services, simulation-aided engineering, and laboratory testing to optimize and validate cooling systems. Their solutions are designed to drive peak performance in demanding electronic applications.

JJ Cooling Innovation specializes in passive two-phase cooling solutions for high-power electronics, targeting AI, HPC, and 5G markets. Their technology leverages natural phenomena like gravity-driven thermosyphons and pulsating heat pipes, eliminating moving parts for enhanced efficiency, sustainability, and reliability. The company offers consulting services, simulation-aided engineering, and laboratory testing to optimize and validate cooling systems. Their solutions are designed to drive peak performance in demanding electronic applications.
What they do: Passive two-phase cooling solutions for high-power electronics (AI, HPC, 5G)
Founded: 2014
Headquarters: EPFL Innovation Park, Lausanne, Switzerland
Founders / leadership: Jackson B. Marcinichen (Co‑Founder & CEO); John R. Thome (Co‑Founder & CTO)
Team size: Approximately 8 employees
Recent funding: Grant announced Apr 28, 2023 (Innosuisse)
Thermal management for high-power electronic systems (AI accelerators, high-performance computing, 5G infrastructure).
2014
DeepTech
Disclosed grant funding; company also participates in EU-funded collaborative projects (Horizon 2020 / H2020, Eureka/Eurostars) per company materials.
“Innosuisse grant funding; participation in EU R&D programmes”