We are the European Community of Data Center experts with a track record of growing the data center business.
In times of revolutionary change and challenges in the data center industry, we help our customers navigate the changing requirements in data center investment and sustainability.
Europe’s data center market is evolving rapidly. The constraint is no longer capital, but energy access and execution capability. Discover the key dynamics and download the white paper.
Grezya will be speaking at RENMAD Datacenters Italia 2025 in Milan (November 19–20), the key event for professionals driving the future of data infrastructure in Italy.
The Data Cloud Global Congress in Cannes confirms itself as a key industry event, bringing together leaders to shape the future of digital infrastructure as a driver of innovation and growth.
Discover the highlights from LevelX Brussels 2025
An event that put the spotlight on Europe’s digital future, covering AI, data centres and leadership. From Belgium’s rising market to the cultural challenge of AI adoption – here’s what we learned.
We help data center providers and investors define and execute their strategies with the practical insight developed in the field operations.
We work with organisations facing challenges related to growth, scalability, or digital transformation.
We operate across key European hubs – including Berlin, Milan, Madrid, Poland, and the Nordics – and also support emerging markets where digitalisation is rapidly accelerating.
Expanding data centre operators.
Conversion projects to support
AI workloads.
Lean structures with ambitious plans
(“thin clients”).
Institutional investors interested in digital assets.
Telco, energy, and real estate companies entering the market.
Strategic consulting firms.
Looking for an operational partner.
Our team is constantly growing, with four additional partners in our pipeline. This expansion is a testament to our potential and the growth opportunities we offer to our clients and partners.
Bjørn Rønnin is an independent Data Center and Interconnection Advisor and Managing Director of the Norwegian Data Center Industry.
He has been key in positioning Norway as a prime data center location, focusing on sustainability and renewable energy.
Under his leadership, the industry has fostered collaboration, supported innovation, and attracted significant foreign investments, driving local growth.
Donna Lorenzen is a leader in the data center industry with expertise in engineering, governance, and digital infrastructure.
She is the APAC Regional Chair and Global Board Member of iM Women, advocating for women’s careers in infrastructure. As the founder of HerWorX, she focuses on digital infrastructure in APAC and EMEA and serves on the boards of energy utilities and renewable investment firms. Previously, as VP of Design & Engineering, APAC at Vantage Data Centers, she led data center expansion and drove sustainability and innovation.
Hans Jörg Denzler is a respected leader in the data center industry, notably for his role as Managing Director of Interxion Switzerland.
Under his guidance, the Zurich campus expanded significantly, enhancing its capacity and reputation for secure, scalable data center solutions.
Denzler’s focus on innovation and growth continues to influence the industry.
Kjetil Ertnæs is a prominent figure in the data center industry, known for founding DLE Consulting and his role in establishing DigiPlex.
His leadership at DigiPlex, which emphasized sustainable and energy-efficient data centers, led to its acquisition by Stack Infrastructure. Ertnæs continues to influence the industry through innovative and sustainable data center solutions.
Luca Venturelli is a key figure in the data center industry, recognized for his strategic roles at leading firms including Digital Realty, Interxion, Microsoft, Fujitsu, and HPE.
He founded Grezya, a consultancy aimed at innovating data center strategies, and co-founded the Italian Data Center Association (IDA), where he serves as an advisor. His contributions significantly impact the global data center market, particularly in promoting sustainable and technologically advanced solutions.
Bjørn Rønnin is an independent Data Center and Interconnection Advisor and Managing Director of the Norwegian Data Center Industry.
He has been key in positioning Norway as a prime data center location, focusing on sustainability and renewable energy.
Under his leadership, the industry has fostered collaboration, supported innovation, and attracted significant foreign investments, driving local growth.
Donna Lorenzen is a leader in the data center industry with expertise in engineering, governance, and digital infrastructure.
She is the APAC Regional Chair and Global Board Member of iM Women, advocating for women’s careers in infrastructure. As the founder of HerWorX, she focuses on digital infrastructure in APAC and EMEA and serves on the boards of energy utilities and renewable investment firms. Previously, as VP of Design & Engineering, APAC at Vantage Data Centers, she led data center expansion and drove sustainability and innovation.
Hans Jörg Denzler is a respected leader in the data center industry, notably for his role as Managing Director of Interxion Switzerland.
Under his guidance, the Zurich campus expanded significantly, enhancing its capacity and reputation for secure, scalable data center solutions.
Denzler’s focus on innovation and growth continues to influence the industry.
Kjetil Ertnæs is a prominent figure in the data center industry, known for founding DLE Consulting and his role in establishing DigiPlex.
His leadership at DigiPlex, which emphasized sustainable and energy-efficient data centers, led to its acquisition by Stack Infrastructure. Ertnæs continues to influence the industry through innovative and sustainable data center solutions.
Luca Venturelli is a key figure in the data center industry, recognized for his strategic roles at leading firms including Digital Realty, Interxion, Microsoft, Fujitsu, and HPE.
He founded Grezya, a consultancy aimed at innovating data center strategies, and co-founded the Italian Data Center Association (IDA), where he serves as an advisor. His contributions significantly impact the global data center market, particularly in promoting sustainable and technologically advanced solutions.
Marynet Bassily, a seasoned executive in the data centre industry, brings over two decades of experience in procurement and supply chain management. As Founder of Mission Procure, she has led strategies that enhance efficiency and value.
Now a Partner at Grezya, Marynet will leverage her expertise to expand our consulting services. Her strategic focus on cost efficiency and resilience aligns perfectly with the evolving needs of modern data centres. Additionally, she founded NexConnect Hub, a platform that fosters collaboration and innovation within the industry.
Peder Bank is a seasoned leader in the data center industry, notably as the former Managing Director of Interxion Nordics.
He significantly enhanced the company’s presence in Northern Europe, focusing on robust and energy-efficient data center solutions.
Bank’s strategic and operational expertise continues to shape the data center landscape in the region
Marynet Bassily, a seasoned executive in the data centre industry, brings over two decades of experience in procurement and supply chain management. As Founder of Mission Procure, she has led strategies that enhance efficiency and value.
Now a Partner at Grezya, Marynet will leverage her expertise to expand our consulting services. Her strategic focus on cost efficiency and resilience aligns perfectly with the evolving needs of modern data centres. Additionally, she founded NexConnect Hub, a platform that fosters collaboration and innovation within the industry.
Peder Bank is a seasoned leader in the data center industry, notably as the former Managing Director of Interxion Nordics.
He significantly enhanced the company’s presence in Northern Europe, focusing on robust and energy-efficient data center solutions.
Bank’s strategic and operational expertise continues to shape the data center landscape in the region
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