Sustainable Architectures
Summit London 2025

Day at a Glance

Detail Agenda

Morning Sessions
9:00 AM - 12:00 PM

  • 8:30 – 9:00 Registration
  • 9:00 – 9:25 Lisa Pratico, Kickoff of event
  • 9:25 – 09:50 Chitra Sundaram, Cleartelligence
  • 9:50 – 10:15 Wendy Marshall, Rackspace
  • 10:15 – 10:45 Kacy Clarke, Simon Bennett, Claire Robinson, Howard Holton – Panel
  • 10:45 – 11:00 break
  • 11:00 – 11:25 Bharghava Vamsikrishna Bhogireddy, Legal and General
  • 11:25 – 11:45 Daisy Schuchmann, Value Blue
  • 11:45 – 12:25 Dr. Katia Chaban, Gadhu Sundaram – NTT Data

Networking Lunch
12:30 PM - 1:30 PM

Light lunch with opportunities to connect with senior tech leaders and sponsors.

Afternoon Sessions
1:30 PM - 4:30 PM

Working Group Roundtables:

  • Strategy and Governance
  • Solution Architecture
  • Infrastructure
  • Data and Responsible AI
  • Metrics and GreenOps
  • Security, Risk and Compliance

Final Readout
4:30 PM - 5:30 PM

Presentations by each roundtable to the group and leadership from SustainableIT.org

Cocktail Reception
5:30 PM - 6:30 PM

Informal evening gathering for continued conversation, networking, and recognition of sponsors.

Conference Details

8:30 am - 9:00 am

Participant Registration

9:00 am - 9:25 am

Kickoff of event

This session will emphasize the critical role architecture must play in shaping the future of Responsible and Sustainable AI. As AI rapidly evolves, architects and technology leaders must be at the forefront—establishing frameworks, design patterns, and governance principles that ensure AI systems are not only effective but aligned with global sustainability goals. The presentation will highlight architectural strategies that integrate AI innovation with environmental responsibility, ethical governance, and long-term digital resilience, underscoring why architecture must lead the way in building a sustainable digital future.

Access the Presentation:
Sustainable Architectures Kickoff (Jun 24, 2025)

Lisa Pratico Lisa Pratico
9:25 am - 9:50 am

Aligning AI and Data with Responsible Practice

At Cleartelligence, we help clients align their data and AI strategies with responsible, sustainable, and scalable practices. Through purpose-driven consulting, we’ve partnered with organizations to modernize data platforms, optimize Snowflake and cloud costs, strengthen data governance, and embed ethical principles into AI workflows. This session will share practical examples of how consulting grounded in transparency, accountability, and long-term resilience can deliver both business value and lasting impact—proving that responsible data and AI practices aren’t just aspirational, they’re achievable.

Chitra Sundaram Chitra Sundaram
9:50 am - 10:15 am

Paving the way to Sustainable and Responsible AI

Join us on our sustainability journey at Rackspace, where we transformed our formative sustainability commitments into actionable steps, resulting in measurable progress towards our CO2 emission reduction goals. We’ll discuss how implementing appropriate governance —embedding sustainability within the organisation from the top down—enabled us to prioritise sustainability initiatives across the organisation.  Additionally, we will explore how these efforts informed our approach to AI, under the FAIR banner, including our Sustainable and Responsible AI Principles, which ensure that AI adoption is symbiotic, secure and sustainable by design for our internal operations and our customers.

Wendy Marshall Wendy Marshall
10:15 am - 10:45 am

Panel

Architecture Decision Frameworks for Responsible AI

Kacy Clarke Kacy Clarke
Simon Bennett Simon Bennett
Claire Robinson Claire Robinson
Howard Holton Howard Holton
11:00 am - 11:25 am

From Code to Community: Innovating Responsibly in the Age of AI

This session explores how we can architect IT systems that are not only scalable and efficient but also responsible and regenerative. We share our Green Ops Framework, grounded in Responsible Computing, Fin Ops principles, and empathy-based design thinking, to showcase how sustainability can be embedded in every layer of architecture - from automation to user experience. Through real-world wins like eliminating postal items and reducing legacy systems emissions - we'll show how thoughtful innovation can lead to measure environmental and social impact. At the heart of this journey is a growing community of practitioners who believe that the future of IT must be built collaboratively, one line of code and one act of empathy - at a time.

Bharghava Vamsikrishna Bhogireddy Bharghava Vamsikrishna Bhogireddy
11:25 am - 11:45 am

Smart Rationalization: Aligning Your Tech Landscape with Sustainability Goals

Driving efficiency, reducing carbon impact, and making informed vendor decisions with enterprise architecture

Daisy Schuchmann Daisy Schuchmann
11:45 am - 12:25 pm

Implementing Sustainable IT at scale

The presentation outlines how NTT DATA is operationalizing Sustainable IT at scale for Global IT through collaboration with the IT Sustainability Center of Excellence and Corporate Sustainability organizations to integrates environmental, social, and governance (ESG) principles into enterprise technology strategy. Key focus areas include data-driven carbon measurement, sustainable sourcing, circularity, and the environmental impact of AI. By leveraging its ICT Carbon Calculator, embedding sustainability across the technology lifecycle, and fostering strategic partnerships, NTT DATA is building a resilient digital infrastructure for a net-zero future.

Dr. Katia Chaban Dr. Katia Chaban
Gadhu Sundaram Gadhu Sundaram
1:30 pm - 4:30 pm

Strategy & Governance (Working Group Sessions)

Focused on developing executive frameworks and policies that embed sustainability and compliance into IT strategy and decision-making. Goals are centered around building out sustainable technology strategies that align to business and corporate initiatives.

1:30 pm - 4:30 pm

Solution Architecture (Working Group Sessions)

Defining sustainable and responsible AI solution design patterns, digital infrastructure principles, and reference models that support responsible technology adoption.

1:30 pm - 4:30 pm

Metrics & GreenOps (Working Group Sessions)

Focused on real-time telemetry, analytics, and optimization techniques to improve IT efficiency and reduce environmental impact.

1:30 pm - 4:30 pm

Infrastructure (Working Group Sessions)

Defining architectural standards that incorporate energy efficiency, carbon footprint reduction. Focus on the optimization of Infrastructure for and with Technology – Prioritizing energy-efficient cloud solutions and reducing sustainable debt. We will also dive into topics like circularity and how this could be beneficial for infrastructure.

1:30 pm - 4:30 pm

Data and Responsible AI (Working Group Sessions)

Defining responsible and sustainable data management and AI including digital litter, data retention, data replications/resiliency, access control and data integrity. Artifacts focused on developing methods for recommending appropriate use of AI and capture results in governance boards.

1:30 pm - 4:30 pm

Security, Risk and Compliance (Working Group Sessions)

Align compliance frameworks with ESG outcomes by incorporating environmental metrics into governance and assurance models. Promoting data minimization and secure-by-design practices, reducing unnecessary data flows and storage to lower both risk and emissions. Initiatives focused on standardizing low-carbon security design and developing reusable controls that are both effective and efficient.

4:30 pm - 5:30 pm

Presentations by each roundtable to the group and leadership from SustainableIT.org

5:30 pm - 6:30 pm

Networking / Cocktail Hour

Meet the speakers

Kacy Clarke

Co Founder, Sustainable Architectures

Lisa Pratico

Chairperson
and Co-Founder, Sustainable Architectures

Bharghava Vamsikrishna Bhogireddy

Green IT Practitioner, SRE and Devops Advocate - Legal and General

Dr. Katia Chaban

VP, Global Head of IT Sustainability Center of Expertise - NTT Data

Simon Bennett

CTO (EMEA Racksapce Technology)

Chitra Sundaram

Digital Analytics Executive at Cleartelligence

Wendy Marshall

Lead Technical Consultant, Professional Services at Rackspace

Gadhu Sundaram

Innovation Lead – Sustainability Technology Strategy and Advisory

Claire Robinson

Director of Sustainable Business Consulting

Howard Holton

COO

Co-Hosts

Sponsors

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