Barcelona-based AI datacentre infrastructure company Submer has named Jean-Marc Denis as its new chief product officer (CPO). Denis will be responsible for overseeing the company’s global product roadmap and guiding the development of its datacentre infrastructure portfolio, which spans design, thermal management, and deployment solutions.

Denis brings more than 30 years of experience in high-performance computing (HPC) and has been involved in the development of some of the world’s most advanced supercomputing systems.

Before joining Submer, he led HPC and AI cloud solutions at Viridien and held senior roles at several technology companies, including Atos, Silicon Graphics, Compaq, Sun Microsystems, Hewlett-Packard, and Bull. At Bull, Denis launched the company’s HPC business in 2004.

In his new role at Submer, Denis will lead the company’s product strategy and execution, focusing on the design and delivery of scalable, high-performance datacentre infrastructure tailored for AI workloads. Submer has positioned itself as an end-to-end datacentre provider, moving beyond its origins in immersion liquid cooling technology to a broader portfolio that includes thermal architecture, system design, and on-site deployment services.

“There’s never been a more exciting time to join Submer,” Denis said in a statement. “The company has expanded its capabilities and is now working across the full datacentre lifecycle. Submer is in a unique position to define how AI-ready infrastructure is built and deployed globally.”

Submer CEO Patrick Smets commented that Denis’s experience in HPC and product leadership as a key factor in the appointment. “Jean-Marc brings decades of technical expertise and leadership experience that will strengthen our product portfolio and accelerate our growth in AI datacentre solutions,” Smets said. “We are confident he will play a pivotal role in shaping Submer’s next phase of development.”

Submer’s operations span multiple regions, including Europe, North America, the Middle East, and Asia. The company’s end-to-end capabilities allow it to provide consultancy, design, deployment, and operational support for organizations building high-performance, energy-efficient datacentres. Its focus on immersion cooling and other thermal management technologies is aimed at reducing energy consumption and operational costs while meeting the growing demand for AI computing power.

Denis’s appointment comes at a time of rapid growth in the AI sector, which has created new demands for datacentre infrastructure capable of supporting large-scale machine learning and other compute-intensive applications. Industry analysts note that the ability to efficiently manage heat and energy consumption is becoming increasingly critical as AI workloads scale.

“The AI era is driving new requirements for datacentres, from energy efficiency to scalability and reliability,” Denis said. “Submer’s approach combines innovation in thermal management with comprehensive infrastructure expertise, which allows organisations to deploy AI-ready systems more effectively and sustainably.”

Submer announced last month their expansion into MEA citing the region as a critical growth area. They also partnered with Abu Dhabi-based digital infrastructure firm Zero Two, to deploy immersion cooling systems across the UAE.

The company has set up local operations and partnerships to support operators, enterprises, and hyperscalers. Daniel Pope, Submer’s co-founder and CEO, described the expansion as part of a broader strategy to deliver scalable infrastructure closer to end users.

“Demand across the Middle East and Africa is increasing rapidly, driven by AI adoption and the need to optimise power and cooling performance,” Pope said. “Our goal is to provide the technological foundation that supports the region’s digital growth in a sustainable manner.”

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