Sustainability Consultants | ENGIE Impact

Sustainability Consultants

ENGIE Impact was formed to accelerate the global sustainability transformation and support our clients in closing the gap from setting goals to delivering. To ensure innovative, tailored and achievable roadmaps for our clients, we rely on broad and deep expertise across the spectrum of sustainability and energy topics. Learn more about our team of global sustainability consultants below.

Explore Sustainability Experts by Region

Americas



Diego Ibarra

Title: Executive Managing Director, Sustainability Solutions - Americas

Location: Santiago, Chile

Expertise: Sustainability, Built Environment, Strategy

Diego leads the team in the Americas, supporting the most influential organizations and cities on accelerating their sustainability transformation to achieve long-term economic growth. Diego has 16 years of expertise consulting on strategic and operational issues in energy, construction and infrastructure. He was founder and partner of EA Group, and has contributed to the boards and technical committees of many for- and non-profit orgs driving sustainability.



Antoine Millet

Title: Managing Director, Sustainability Solutions

Location: Santiago, Chile

Expertise: Strategy, Innovation, Business Building, Large-Scale Transformation, Sustainability

Antoine leads ENGIE Impact’s work in Mexico and advises fast-moving consumer goods companies in Latin America, helping create change by designing, implementing, and accelerating complex sustainability transformations. He previously worked at McKinsey and served several roles at Total.



Jeff Waller

Title: Senior Director, Head of Financing Solutions

Location: New York City, USA

Expertise: Financing Solutions, Sustainable Finance, ESG Frameworks

Jeff structures innovative business models and financing solutions that enable our clients to meet their sustainability goals. He has 10+ years’ experience in sourcing, structuring and managing RE and infrastructure transactions. He previously served as a project finance banker.



Camron Gorguinpour

Title: Senior Director, Sustainability Solutions

Location: Washington D.C. USA

Expertise: Electric Mobility, Strategy & Planning

With 15+ years in organizational development and management, Camron has expertise in complex technological, bureaucratic and political fields. He designs & implements global electric mobility programs for government and private sector and is an expert in innovative procurement strategies.



Jason Bell

Title: Director, Sustainability Solutions

Location: New York, USA

Expertise: Energy Efficiency, Industrial & Manufacturing, Food & Beverage, Heavy Thermal and Energy Management

Jason has over 15 years of operations and project management experience related to energy policy and sustainability management. He has expertise in helping manufacturing clients initiate, implement, and navigate their facilities’ energy management programs and policies.



Adrien Couton

Title: Director, Sustainability Solutions

Location: Berkeley, CA USA

Expertise: Strategy Implementation, Water Management, Energy Management

Adrien has over 15 years of experience in strategy consulting at McKinsey and Dalberg, where he set up the Water & Sustainability Practice. He has supported a broad range of sustainability projects in the public and private sectors. He is a Yale World Fellow.



Jose Monzon

Title: Director, Sustainability Solutions

Location: Santiago, Chile

Expertise: Heavy Industry, Mining, Pulp & Paper, Manufacturing

Jose is experienced in the areas of strategy, finance, and consulting across many sectors. He leads ENGIE Impact’s work in Peru as well as mining and heavy industries across LATAM, creating meaningful change through large-scale, complex sustainability transformations.



Marisa Donnelly

Title: Director, Sustainability Solutions

Location: San Francisco, CA USA

Expertise: Climate Strategy, Carbon Accounting, Climate Governance, Decarbonization Roadmaps

Marisa has nearly 10 years of experience working in financial services at J.P. Morgan Chase and sustainability consulting at PwC and ENGIE Impact. Marisa is responsible for co-leading ENGIE Impact’s Net Zero practice and working with clients to set and deliver their Net Zero ambitions.

Europe, Middle East, & Africa



Mark Chadwick

Title: Managing Director, Sustainability Solutions - EMEA & APAC

Location: London, United Kingdom

Expertise: Climate Strategy, Carbon Accounting, Software Systems

Mark leads the team in EMEA & APAC, advising and supporting global organizations in their transition towards Net Zero carbon. After a decade-long career with technology startups, Mark started climate change advisory firm Carbon Clear in 2005, going on to work with many FTSE 100 companies on their climate strategies. Mark sits on the boards of several sustainability start-up companies.



Ben Moens

Title: Managing Director, Sustainability Solutions

Location: Brussels, Belgium

Expertise: Management Consulting, Energy Transformation

Ben has 17 years experience in management consulting with Deloitte and Bain & Company where he endorsed both sales and delivery responsibilities. In his role of Power & Utilities lead for Deloitte Consulting in Belgium, he developed a high affinity with energy transition topics.



Benoit Hemon

Title: Managing Director, Sustainability Solutions

Location: Paris, France

Expertise: Sustainability Transformation, Financing Solutions, Business Development

Benoit has 17 years’ experience in business development within the banking & energy sectors and a strong background in digital, financing and sustainability consulting. Prior to ENGIE Impact, he was the France Country Sales Director at GreenFlex, Total Group, dedicated to environmental services.



Kirti Rudra

Title: Director, Sustainability Solutions

Location: London, United Kingdom

Expertise: Decarbonization Strategy, Energy Markets, Audit, Risk Management, Business Strategy, Organizational Transformation, Commercial Structuring

Kirti has over 15 years of experience working at EDF Energy creating their first energy market risk policy and energy performance contract, then for 3 years at Centrica developing their energy services project that enabled onsite power generation and then at ENGIE UK transforming their engineering capability into a Net Zero consulting team.



François Depierreux

Title: Director, Sustainability Solutions

Location: Riyadh, Saudi Arabia

Expertise: Renewable Energy, Decarbonization, Planning, Operations & Regulation

François leads customer engagement and sustainability solutions activities in the Middle East. He has 15 years’ experience in advisory missions on energy transition strategies for governments, utilities and private sector with a specific focus on power systems, RE integration and microgrid studies.



Sébastien Wagemans

Title: Managing Director, Sustainability Solutions

Location: Brussels, Belgium

Expertise: Renewable Energy, Power Systems, Risk & Resiliency Planning

Sébastien has 17 years’ experience in energy consulting, during which he has supported sales, management and assumed responsibility for solutions delivery. He skillfully combines technical expertise with a keen understanding of business models to deliver added-value implementation strategies that help energy-intensive companies reach their decarbonization goals.



Andreas Ehrenmann

Title: Director, Sustainability Solutions

Location: Brussels, Belgium

Expertise: Business Development, Sustainability, Operations, Facility Management

Andreas oversees teams providing economic analysis in gas and electricity, supporting investment files and market design questions. With 20+ years’ experience in energy economics, he is an expert on market design in the EU and is an associate researcher to the University of Cambridge Energy Policy Research Group.



Vincenzo Giordano

Title: Director, Sustainability Solutions

Location: Brussels, Belgium

Expertise: Smart Energy Systems, Decarbonization Strategy, Digital Simulation Tools

With 15 years in the energy sector, Vincenzo knows technical, policy and business conditions for zero carbon transition and is involved in development of digital tools to support the business case of decarbonization. He was a scientific officer at the European Commission, providing inputs to energy policy.



Anne-Katrin Hagel

Title: Director, Sustainability Solutions

Location: Hamburg, Germany

Expertise: Project Management, Advising, Offshore Wind and Digitalization, Financial Services

Anne has 15+ years of experience advising utilities and businesses on IT transformation and offshore wind construction projects. She brings deep expertise in project management (agile and classic), account management and business development. She is highly knowledgeable about industrial insurance, financial services, offshore wind and digitalization. She currently oversees the efforts of ENGIE Impact’s DACH team to build a strong go-to-market strategy.



James Ramsay

Title: Director, Sustainability Solutions

Location: London, United Kingdom

Expertise: Carbon Management, Sustainability Strategy

James has extensive experience working with complex businesses to manage their climate change risks and opportunities. Prior to ENGIE Impact, James served as Director for Carbon Clear/EcoAct delivering climate strategy, measurement & reporting, carbon reduction and carbon offsetting programmes.



Stéphane Rapoport

Title: Managing Director, Sustainability Solutions

Location: Brussels, Belgium

Expertise: Sustainability Strategy, Energy Systems, Business Models, Emission Reduction Levers

Stéphane has 15+ years’ experience advising on energy and carbon reduction strategies. He combines strong technical & business understanding to assist industries from pathway definition to project implementation. He steers tools development to optimize on-site green energy, green mobility & more.



Dimitri Tomamos

Title: Director, Sustainability Solutions

Location: Belgium

Expertise: Digital Applications, Digital Solutions, Mathematical Modeling, Roadmap Alignment

Dimitri has more than 10 years of experience in the development of mathematical cores and digital applications. Currently, he is responsible for the Advanced Analytics activities that develop digital solutions for ENGIE Impact’s teams in order to boost the consulting activities and develops digital solutions for other ENGIE and external entities. Dimitri has a strong mathematical background, especially in mathematical modeling and operations research. Dimitri is also a certified Product owner, aligning the roadmap of digital products with the business needs.

Asia-Pacific



Mark Chadwick

Title: Managing Director, Sustainability Solutions - APAC & EMEA

Location: London, United Kingdom

Expertise: Climate Strategy, Carbon Accounting, Software Systems

Mark leads the team in APAC & EMEA, advising and supporting global organizations in their transition towards Net Zero carbon. After a decade-long career with technology startups, Mark started climate change advisory firm Carbon Clear in 2005, going on to work with many FTSE 100 companies on their climate strategies. Mark sits on the boards of several sustainability start-up companies.



Amandeep Bedi

Title: Managing Director, Sustainability Solutions - Southeast Asia

Location: Singapore

Expertise: Strategy Development, Operations Transformation, Commercial Due Diligence

Amandeep brings strategy & business development expertise across energy and industrial companies, with a focus on sustainability, to serve our APAC clients. Previously he led the Circular Economy business for Borouge (a Mubadala company) and was a consultant with McKinsey and EY-Parthenon.



James Ramsay

Title: Managing Director, Sustainability Solutions

Location: Australia

Expertise: Strategy and Implementation, Financing and Delivery of Decarbonization Programs

James works within ENGIE Impact's strategy and implementation team to accelerate sustainability transformation in businesses, cities, and governments and helps clients deliver on their increasingly ambitious climate goals.



Bouchra El Hayani

Title: Director, Sustainability Solutions

Location: Singapore

Expertise: Decarbonization, Green Mobility, Facility Management, Energy Efficiency Solutions

Bouchra brings deep expertise in Sustainability Solutions. She started her career in 2008 with ENGIE and has since taken on several roles across Europe and Africa in green customer solutions such as Energy Efficiency, Facilities Management, C&I PV, Public lighting, design and maintenance of Data Centers, Green Mobility.



Ivan Li

Title: Director, Sustainability Solutions

Location: Singapore

Expertise: Decarbonization Roadmaps, Net Zero Targets, Scenario Analysis, Renewable Energy Markets

Ivan brings a wealth of experience in the advisory space across various industries and topics. He provides advisory and professional services for ENGIE Impact decarbonization projects across the APAC region.



Amy Steel

Title: Senior Manager, Sustainability Solutions

Location: Australia

Expertise: Decarbonization, Climate Risk

Amy brings over 8 years of experience in the sustainability advisory space.​ Prior to ENGIE Impact, she worked as a lead developer on a global proprietary climate risk and decarbonization online tool. She has specialized knowledge in climate risk and decarbonization and provides advisory services for ENGIE Impact APAC.

Don’t miss the latest content from our consultants. Subscribe for our Sustainability Transformation updates.

Get In Touch

Please reach out and connect with our global sustainability consultants on LinkedIn or by contacting us below.