Consulting & Training — Mid-caps · Large Groups · International

Digital Sustainability

LUTECIUM supports ExComs, CIOs, and Risk Managers in measuring their environmental footprint, developing transition plans, and managing risks related to energy, climate, and digital sovereignty, based on recognized frameworks.

Carbon Footprint & GHG Protocol Transition Plan Digital Sobriety Frugal AI Energy-Climate Risks CSRD · SBTi · TCFD Digital Sovereignty Digital Resilience Enterprise Architecture · TOGAF
Our expertise

Two pillars for a sustainable and resilient strategy

Low-Carbon Transition Plan

Measure, reduce, transform: from carbon data to decarbonization pathways.


Measurement & Reporting

Carbon Footprint© GHG Protocol LCA SBTi ESRS

Sustainable IT & Responsible AI

Digital Sobriety Frugal AI Sobriety Governance Eco-design
Risk Management & Resilience

Map, anticipate, strengthen: resilience as a competitive advantage.


Energy-Climate Risks

Scenario Analysis TCFD ESRS

Sovereignty & Strategic Autonomy

Resilience Index Open Source
Intervention Mode

Consulting, Support, and Training

Strategic

Defining low-carbon roadmaps, regulatory alignment, and ExCom/Board of Directors engagements.

Operational

Implementing transition plans, monitoring indicators, and supporting IT and Risk Management teams.

Training

Customized programs for ExComs, CIOs, and Risk Managers focused on action-oriented results.

Missions

Case Study Examples

CSR Strategy — Global Group, Banking-Insurance Sector

Definition and rollout of a 3-year CSR strategy in coordination with the Board. Energy-Climate double materiality analysis, ESRS transition plan, taxonomy, CSRD, and CDP reporting. Supporting Finance, Risk & Compliance, and IT teams.

SBTi Validated Decarbonization Pathway — International Actor, Translation Sector

Climate risk and opportunity analysis, SBTi transition plan, IT team training, development of a decarbonization pathway integrated with long-term digitalization strategy.

Eco-responsible Digital Strategy — Mid-caps and CIOs of Large Groups (Software, Industry, Transport)

Digital carbon footprints, identification of reduction pillars, calculation of pathways and transition plans. Supporting IT teams through co-construction and action-learning approaches.

Low-Carbon Digital Infrastructure in Africa — Public Financial Institution

Low-carbon strategy applied to digital infrastructure deployment in Ethiopia and DRC. Project carbon footprint and proposal of reduction levers adapted to the local context.

CIO Transformation Program — European Prudential Authority

Definition, structuring, and planning of a CIO transformation program for a prudential authority, addressing AI integration and eco-responsibility challenges within the business strategy.

ESG Architecture Design — Asset Manager

Design of Data & Software Architecture and IT & Business processes supporting the ESG investment strategy. Definition and rollout of eco-responsible architecture principles & governance.

Ecosystem

Rooted in reference networks

The Shift Project

Decarbonization think tank. Member of the Digital Expert Group. Contributor to 6 reports.

Boavizta

Inter-organizational group on environmental impacts of digital technology. Member of the first Board of Directors.

Telecom Paris

Academic partner. Instructor in Sustainable IT, Engineering and Executive Education programs.

The Open Group

TOGAF© Standard. Contributor to the Environmentally Sustainable Information Systems guide.

Founder

Arnaud Gueguen

CSR Strategy Consultant & Sustainable IT Expert

15 years of operational experience within the IT departments of major international groups, followed by 7 years of strategic consulting specialized in Energy-Climate and Sustainable IT challenges. A rare expertise at the intersection of digital technology, environment, and program management.

Certified in Advanced Carbon Footprint© and Climate Risk Management (CDSB), TOGAF© contributor, volunteer researcher at The Shift Project (6 reports published), and board member of Boavizta. Lecturer at Telecom Paris, Centrale-Supélec, ENSIIE, and Mines de Saint-Étienne. Trainer for Telecom Paris Exed and Centrale-Supélec Exed.

Arnaud Gueguen, founder of LUTECIUM

Let's build your sustainable strategy together

Carbon footprint, transition plan, energy-climate risk analysis, CSRD compliance, resilience index—every engagement begins with a conversation.

Get in touch