# Josh Claman

> Josh Claman is Accelsius’s founding CEO and executive chairman. Based in Austin, he led the commercialization of Nokia Bell Labs cooling technology after a career spanning NCR, Dell, ReachLocal and Stratasys. His work combines enterprise operations, partner distribution and the practical requirements of cooling AI infrastructure.

- **Role:** Executive Chairman at Accelsius
- **Organizations:** Accelsius, Dell, NCR, AT&T, ReachLocal, Stratasys
- **Education:** BA, University of Illinois, MBA, University of South Carolina, Advanced business qualification; exact credential not specified in public biography, University of Oxford
- **Known for:** Led Accelsius from its 2022 formation through commercialization of its NeuCool cooling systems., Oversaw company development through $24 million Series A and $65 million Series B announcements., Built a team recognized in Austin Business Journal’s 2024 Best Places to Work program.

## Career timeline

- **Before 2015** — Held senior roles at NCR and Dell, including leadership of Dell’s UK and Ireland operation, followed by the presidency of ReachLocal.
- **2015** — Appointed chief business officer at Stratasys on April 1.
- **2022** — Joined Accelsius as founding CEO to commercialize cooling technology originating at Nokia Bell Labs.
- **2024** — Led Accelsius during the commercial rollout of NeuCool and its $24 million Series A announcement.
- **2025** — Accelsius reported fivefold growth in deployments during the first half of the year and expanded international partnerships.
- **2026-01** — Accelsius announced a $65 million Series B led by Johnson Controls with Legrand participating.
- **2026-05** — Accelsius announced Claman’s transition to executive chairman on May 27, effective July 6.
- **2026-07** — Transitioned to executive chairman as John Hewitt became CEO.

## Achievements

- Led Accelsius from its 2022 formation through commercialization of its NeuCool cooling systems.
- Oversaw company development through $24 million Series A and $65 million Series B announcements.
- Built a team recognized in Austin Business Journal’s 2024 Best Places to Work program.
- Previously led enterprise, public-sector, channel and country operations at Dell.

## Latest updates

- **2026-09** — Appeared as executive chairman in a JSA interview at Datacloud USA discussing two-phase cooling and data center efficiency.
- **2026-07** — The announced leadership transition took effect July 6; Claman’s executive chairman remit covers strategic partnerships, customer relationships and capital strategy.
- **2026-05** — Accelsius announced John Hewitt as incoming CEO and Claman as executive chairman on May 27.
- **2026-04** — Accelsius announced IR150 general availability and the HyperStart validation program at Data Center World.
- **2026-03** — Published an argument for universal liquid cooling and servers compatible with different cooling architectures.
- **2026-01** — Accelsius announced the closing of a $65 million Series B funding round.

## Links

- Website: https://accelsius.com/
- LinkedIn: https://www.linkedin.com/in/josh-claman-3438731/

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Profile page: https://yespress.io/josh-claman
Published by YesPress — https://yespress.io
Last updated: 2026-10-25