Your regional, sustainable data center partner

Managing Director

Gary Watson, Managing Director at Stellanor, brings over 30 years of experience leading and scaling global datacentre platforms. He has held senior leadership roles at Keppel DC REIT and Sungard Availability Services, with full accountability for P&L, strategy, and operations across Ireland and Europe. Earlier, at TelecityGroup (now Equinix), he led major integrations and managed multi-site datacentre operations across the UK and key European markets.

At Stellanor, Gary is responsible for driving the overall performance and growth of the platform—ensuring operational excellence, commercial discipline, and consistent service delivery as the business scales, while maintaining a strong focus on sustainability.

Chief Marketing Officer

Mariska van Beukering, Chief Marketing Officer at Stellanor, brings over 15 years of experience building brands and driving demand across the global datacentre industry. She has held senior roles at nLighten and Equinix, where she led international marketing strategies, built high-performing teams, and delivered growth through integrated campaigns across multiple European markets.

At Stellanor, Mariska leads the company’s brand and market development, shaping how the business is positioned and perceived—building visibility, credibility, and a scalable marketing function to manage expansion across key markets.

Chief Commercial Officer

Howard Pheby, Chief Commercial Officer at Stellanor, brings over 30 years of experience driving commercial growth across global datacentre markets. He has held senior leadership roles at Pure Data Centres Group, Telehouse Europe, Rack Centre, and COLT Telecom, with responsibility for commercial strategy, sales, and business development across Europe, the Middle East, Africa, and Asia Pacific.

At Stellanor, Howard leads the company’s commercial strategy and revenue growth, overseeing sales, business development, and customer success—building strong enterprise relationships and translating demand for urban, AI-ready infrastructure into long-term growth.

Group Operations Director

David Manning has over 25 years experience in critical service operations spanning data centers, international banking and regulated telecommunications. He has held senior roles including leadership positions at PXC (TalkTalk Group), Virtual1 and Telstra, with responsibility for networks, cloud and data center operations, performance and improvement.

Prior to this he headed up data center and client operations at PSINet and Global Switch, with responsibility for service and infrastructure delivery across a portfolio of European sites.

Chairman of Stellanor Datacenters

Michael is a highly experienced entrepreneur and business leader in the technology and data infrastructure space, currently serving as Chairman for several companies including non-executive Director of DWS-backed MediTerra Datacenters. Michael previously led TelecityGroup PLC as CEO, growing it from a £6 million business to a £2.5 billion market cap before its sale to Equinix. He has held numerous leadership and advisory roles across global tech and infrastructure firms. In 2025, Michael was awarded the Commander of the Most Excellent Order of the British Empire (CBE) by King Charles III.

Non-executive Director of Stellanor Datacenters

Aparna is a London based Partner in the European Infrastructure Private Equity division of DWS and is responsible for origination and analysis of infrastructure investment opportunities, leading the execution of transactions and the ongoing management of portfolio companies. Aparna is a member of the Investment Committees of the Pan-European Infrastructure Fund and Sustainable Growth Infrastructure Fund series funds. Aparna leads DWS’ datacenter investment strategy and was involved in the original acquisition of NLDC (formerly owned by KPN) and The Datacenter Group in 2019, which were subsequently combined to create NorthC Datacenters and the acquisition of Cloud Europe in 2024 which formed the first investment and creation of MediTerra Datacenters.

Non-executive Director of Stellanor Datacenters

Oliver is a London based Senior Principal in the European Infrastructure Private Equity division of DWS and is responsible for leading asset management for a number of funds and leading the transaction team on key infrastructure investment transactions. Oliver is at the forefront of DWS’ digital and datacenter investment strategy and involved in the original acquisition of NLDC (formerly owned by KPN) and The Datacenter Group in 2019, which were subsequently combined to create NorthC Datacenters and the acquisition of Cloud Europe in 2024 which formed the first investment and creation of MediTerra Datacenters.