Rubix Data Centers Appoints Josh Joshi as Chairman to Lead Next Phase of AI Infrastructure Growth
LONDON — Rubix Data Centers, a global developer and operator of artificial intelligence (AI) data center campuses and a member of the Submer Group, has appointed Josh Joshi as Chairman. The appointment brings one of the data center industry’s most experienced executives to the company’s leadership team as demand for AI-ready digital infrastructure continues to accelerate worldwide.
With nearly three decades of experience spanning finance, strategy, and executive leadership across the global digital infrastructure sector, Joshi is expected to play a pivotal role in guiding Rubix through its next phase of expansion. His appointment comes as enterprises, hyperscale cloud providers, and governments increase investments in AI computing capacity, creating unprecedented demand for advanced data center infrastructure capable of supporting high-density AI workloads.
Experienced Industry Leader Joins During a Critical Growth Phase
The rapid adoption of generative AI, machine learning, and large-scale cloud computing has transformed data centers into strategic infrastructure assets. Organizations across industries are racing to build the computing environments needed to power AI applications, making reliable, scalable, and energy-efficient data centers more important than ever.
Rubix believes the appointment of Josh Joshi strengthens its leadership team at a time when the global AI infrastructure market is entering a period of sustained expansion.
Reflecting on his new role, Joshi said he has witnessed the digital infrastructure industry evolve dramatically over the past three decades.
He noted that data centers were once viewed primarily as technical facilities supporting internet services but have now become essential infrastructure underpinning national economies, enterprise innovation, and digital transformation.
According to Joshi, artificial intelligence represents the next major turning point for the industry.
While AI software breakthroughs continue to dominate headlines, he believes the physical infrastructure powering those innovations will ultimately determine how quickly businesses and societies can realize AI’s full potential.
Confidence in Rubix’s Long-Term Vision
Joshi said Rubix is uniquely positioned to become one of the defining AI infrastructure platforms of the next generation.
He credited Chief Executive Officer John Eland with recognizing the long-term opportunity early and assembling an experienced leadership team capable of executing the company’s ambitious growth strategy.
According to Joshi, Rubix possesses the technological expertise, operational capabilities, and strategic vision needed to meet the rapidly increasing demand for AI-focused data center campuses.
He also emphasized that what attracted him most was the company’s broader mission.
Rather than simply constructing data centers, Rubix aims to create long-term value for customers while investing in education, workforce development, and strong community partnerships in the regions where it operates.
Joshi said those values closely align with his own professional philosophy, adding that he looks forward to supporting the company’s continued expansion while helping shape its long-term strategic direction.
Extensive Leadership Across Global Data Center Companies
Joshi brings an extensive track record of leadership across some of Europe’s most prominent digital infrastructure companies.
Most recently, he served as Executive Chairman of AtlasEdge, a pan-European edge data center platform focused on delivering low-latency digital infrastructure across key European markets.
He also worked as an Operating Partner at DigitalBridge, one of the world’s leading investment firms specializing in digital infrastructure assets, where he advised on strategy and growth initiatives across the sector.
Before joining AtlasEdge, Joshi spent more than ten years as Chief Financial Officer of Interxion, a leading carrier-neutral and cloud-neutral data center provider.
During his tenure, Interxion expanded significantly across Europe, becoming one of the continent’s largest and most respected data center operators before its acquisition by Digital Realty.
Earlier in his career, Joshi served as Chief Financial Officer of Telecity Group, another major European carrier-neutral data center company, where he played an important role in the organization’s financial and operational development.
His entrepreneurial experience also includes co-founding Storm Telecommunications, a provider of voice, data, and networking services operating across Europe and the United States.
Beyond the technology sector, Joshi holds a bachelor’s degree in civil engineering, is a Fellow of the Institute of Chartered Accountants in England and Wales, and serves as an independent council member at City St George’s, University of London.
CEO Highlights Strategic Appointment
Rubix Chief Executive Officer John Eland welcomed Joshi’s appointment, describing it as an important milestone in the company’s evolution.
According to Eland, Joshi’s international leadership experience and proven ability to help transform startups into large-scale global businesses make him exceptionally well suited to support Rubix’s ambitious growth plans.
He said the company looks forward to working closely with its new chairman as it continues building advanced AI infrastructure across multiple global markets.
Eland added that the combination of experienced leadership, engineering expertise, and long-term strategic planning will help position Rubix as a leading provider of next-generation AI data center campuses.
Building Infrastructure for the AI Economy
Rubix officially launched in June 2026 as part of the Submer Group, a global organization focused on solving the infrastructure challenges associated with artificial intelligence.
The company plans to develop and operate an initial portfolio exceeding eight gigawatts (GW) of AI-ready data center capacity across the Americas, Europe, the Middle East and Africa (EMEA), and the Asia-Pacific (APAC) region.
This large-scale expansion reflects growing demand from hyperscale cloud providers, AI developers, and enterprise organizations seeking purpose-built facilities capable of supporting increasingly power-intensive AI workloads.
Unlike traditional enterprise data centers, AI facilities require significantly greater electrical capacity, advanced cooling systems, and optimized infrastructure capable of supporting high-density graphics processing unit (GPU) clusters.
Rubix aims to address these evolving requirements through integrated engineering, modular construction techniques, and accelerated project delivery.
End-to-End Development Capabilities
The company offers comprehensive development services covering every stage of the AI data center lifecycle.
Its capabilities extend from identifying suitable development sites and securing utility infrastructure to community engagement, engineering design, project construction, commissioning, and long-term operational management.
This end-to-end approach is intended to reduce deployment timelines while simplifying project execution for hyperscale cloud providers and enterprise AI customers.
Rubix combines these capabilities with Submer Group’s expertise in liquid cooling technologies, enabling efficient operation of high-density AI computing environments where traditional air-cooling solutions may no longer be sufficient.
Part of the Broader Submer Group Ecosystem
Rubix operates as a core component of the broader Submer Group, whose companies collectively address multiple layers of the AI infrastructure ecosystem.
The group’s strategy is designed to close the gap between rapidly growing AI demand and the physical infrastructure required to support it.
In late 2025, Submer expanded its capabilities with the launch of InferX, an AI cloud platform that complements Rubix’s physical infrastructure business.
Together, these businesses provide customers with integrated capabilities spanning land acquisition, power infrastructure, advanced cooling technologies, cloud services, and ongoing operational support.
This combination allows the group to serve hyperscale AI deployments from initial site selection through long-term infrastructure management.
Addressing Industry Challenges
As AI adoption accelerates globally, infrastructure providers face growing challenges related to power availability, land acquisition, cooling efficiency, deployment speed, and regulatory compliance.
Rubix is positioning itself to help customers overcome these constraints through modular construction, standardized engineering practices, and close collaboration with local communities and utility providers.
The company believes its development model can shorten project timelines while improving scalability for organizations seeking rapid AI infrastructure deployment.
Meanwhile, Submer Group’s expertise in liquid cooling addresses one of the industry’s most pressing technical challenges: managing the substantial heat generated by modern AI processors operating within dense computing environments.
Positioned for Long-Term Growth
With Josh Joshi joining as Chairman, Rubix enters its next phase of development with strengthened executive leadership and ambitious global expansion plans.
The combination of Joshi’s extensive experience in scaling international data center businesses and Rubix’s focus on AI-ready infrastructure positions the company to capitalize on one of the fastest-growing segments of the digital economy.
As organizations continue investing heavily in artificial intelligence, the need for purpose-built AI campuses capable of supporting next-generation computing workloads is expected to increase significantly.
By combining strategic leadership, engineering expertise, modular development capabilities, and access to the broader Submer Group ecosystem, Rubix aims to establish itself as a leading global provider of AI infrastructure, enabling enterprises and hyperscale cloud providers to deploy advanced computing capacity more efficiently, sustainably, and at scale.
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