Barcelona, Spain – November 14, 2025 – Submer, a market leader in AI datacenter infrastructure, is announcing the appointment of Jean-Marc Denis as Chief Product Officer (CPO). Jean-Marc will lead the development and execution of Submer’s global product roadmap, driving technical excellence across the company’s datacenter infrastructure product portfolio.
A renowned High-Performance Computing (HPC) expert with more than three decades of experience, Jean-Marc has been at the forefront of building some of the world’s most advanced supercomputing systems. Before joining Submer, he led HPC/AI Cloud Solutions at Viridien, following senior roles at Atos, Silicon Graphics, Compaq, Sun Microsystems, Hewlett-Packard and Bull, where he launched its HPC business in 2004. His appointment marks a key step in Submer’s continued evolution to a full-stack provider of sustainable, high-performance datacenter infrastructure for the AI era.
Jean-Marc Denis, said:
“There’s never been a more exciting time to join Submer. Submer’s growth is remarkable. The company has evolved from an immersion liquid cooling technology provider into a true end-to-end datacenter partner, uniquely positioned to define how AI-ready infrastructure is designed and built.”
Patrick Smets, CEO of Submer, added:
“Jean-Marc is a veteran in high-performance computing and product leadership. His experience brings new strength and momentum to our end-to-end offering for AI datacenters. We’re thrilled to welcome him to the team and look forward to the impact he’ll have in shaping Submer’s next phase of growth.”
With active projects across Europe, North America, the Middle East, and Asia, Submer’s end-to-end capabilities, from concept design and thermal architecture to on-site deployment, position the company as a trusted advisor and delivery partner for organizations seeking rapid and high-performance AI datacenter infrastructure.
With Jean-Marc’s appointment, Submer reinforces its commitment to delivering datacenters that make sense, helping the world’s most advanced organizations achieve scalable performance in today’s AI driven world.
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