Sustainable IT: building the future of digital responsibility
IT is a powerful enabler for sustainable business, yet the physical footprint of digital services requires us to make technology itself more sustainable. By uniting experts and clients to co-develop practical frameworks, we accelerate collective learning and turn individual efforts into measurable impact.
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Green AI Bootcamp
Green AI Bootcamp
Our vision for sustainable IT
At Reply, our vision is to foster a transformative shift in the IT industry. We believe sustainability must be held as a paramount priority - seamlessly integrated with performance, security, cost, and accessibility.
We are committed to shaping a future where technology propels both business growth and environmental responsibility. It is no longer enough to build powerful systems; we must build systems that respect the planet.
"The ICT sector has become the fundament for all areas of the economy. As such, we have the responsibility to reduce the energy consumption by all dimensions - measuring the impact of business processes, facilitating greener processes and managing the impact of ICT itself."
Filippo Rizzante
CTO, Reply
The IT sustainability user group
To reach our vision, we cannot work in silos. We must exchange knowledge, experiment with new methodologies, and disseminate best practices.That is why we created the IT Sustainability User Group - a collective of IT leaders, architects, and sustainability experts from across Europe, dedicated to empowering each other and the broader community to embrace sustainable IT solutions.
Our mission is to drive the IT industry forward by sharing actionable insights, challenging outdated ideas, and building a more sustainable future for enterprise technology. We are an active, hands-on community. Our workstreams and activities include:
Quarterly meetings
Deep-dive sessions where members share real-world challenges and solutions.
Cross-industry exchanges
Collaborative problem-solving across sectors (Manufacturing, Telco, Retail, etc.).
First-hand insights
Deep-dive sessions to learn more about newest developments in the market and to discuss them first hand with the providers.
Bootcamps & training
Members share successful training formats, specifically highlighting bootcamps that teach carbon-aware coding and use AI sustainably.
Hands-on guidelines
Co-creating practical frameworks that members can immediately implement in their organizations.
Voices from our members
We are proud to collaborate with IT leaders from some of Europe's most forward-thinking organizations.
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Jörg Knoop
Head of Center of Excellence AI
Vodafone Deutschland
"What I like about the IT Sustainability User Group? It is an established community of IT responsibles of well-known companies from all over Europe, taking leadership in IT Sustainability. By exchanging best practices, testing latest methodologies & solutions and developing hands-on guidelines. We are part of it since the beginning and we know why - We all burn for the same topic. We help each other. We walk the talk."
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Helena Babelon
Global Head of IT Sustainability
Siemens AG
"Having been part of the IT Sustainability User Group since the very beginning has given me access to a valuable network of Sustainable IT experts from well‑known companies across Europe, all committed and passionate about making IT more sustainable. I am a true believer in the power of SDG 17, Partnerships for the Goals. By exchanging best practices, discussing latest methodologies and solutions, and developing hands‑on guidelines, we can all accelerate impact within our own organizations.“
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Lisa Holm
IT Sustainability Lead
Arla Foods
“The IT Sustainability User Group is a great network of IT responsibles of well-known companies throughout Europe committed to make IT more sustainable! What we do? Exchange good practices, discuss hurdles, learn from each other, develop recommendations and not to forget, also have some fun together."
Our shared values &
community ethos
To ensure our network remains a high-value, trusted space for everyone, we are guided by a shared commitment to collaboration and impact. When you join the IT Sustainability User Group, you are joining a community that believes in:
Our community guidelines
To maintain the high quality of our network, we operate under strict values:
Join the IT sustainability user group
Engage with professionals to exchange knowledge and insights on #SustainableIT, including energy-efficient computing, sustainable architecture, software development, and data management.
Do you have questions about joining the IT Sustainability User Group, our quarterly meetings, or the Green AI Bootcamp? Reach out to our community leaders.
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Manaëlle Perchet
Reply
“You cannot optimize what you cannot measure. The future of Sustainable IT lies in embedding carbon intelligence directly into our code, our cloud infrastructures, and our daily operations. By turning ecological impact into a measurable, actionable metric, we empower our clients to build technology that drives growth while limiting our impact on the planet, and advancing sustainable innovation for people, planet, and prosperity as a core performance driver.”
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Heiner von Brachel
Reply
“Sustainable IT requires us to build bridges, not silos. By bringing together the brightest minds across industries, we are turning individual corporate goals into a collective movement for a greener digital future."
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Roberta Haseleu
Reply
Sustainability is no longer a niche topic; it has become a transversal business priority. In the context of sustainability transformation, IT has a double role. As an enabler of more sustainable processes it helps optimising value streams and reducing ecological footprints. But behind every digital service lies a very physical reality - infrastructure, hardware and software all consume energy, water, and other resources. To address this, we need to make IT itself more sustainable."
Be part of a more sustainable digital future!
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