A team of experts in energy
ENGIE Global Energy Management & Sales executive committee consists of experts, exemplified by the vision of a carbon neutral industry. Our teams are active all around the world, committed to accompanying industries in their transitions to Net Zero emissions.
ENGIE Global Energy Management & Sales Executive Committee implements the strategic & business orientations, defines risks appetite and controls the management of the company.
Get to know our Executive Committee Members
Chief Executive Officer, CEO
“I graduated from ENSTA and started my career in 1989 with Société Générale in commodities trading. I was appointed CEO of Gaselys, the energy trading joint-venture of Gaz de France and Société Générale, when it was created in 2001. After 6 years as Global Head of Commodities Markets in Société Générale CIB, I was appointed in 2012 Chief Executive Officer of GDF SUEZ Trading, and in 2015 I became CEO of Global Energy Management ensuring the development of the Group and clients towards greener industries.”
“My role as Chief of Staff is to advise and support the CEO of ENGIE Global Energy Management & Sales, lead strategic and governance missions and act as a connector and sounding board for the stakeholders. My mission is to bring clarity, visibility and purpose to our Business Entity and its executive initiatives.”
I started my career at McKinsey in Madrid, then joining Iberdrola European energy management team. I moved to London in 2005, and held different positions in Energy Markets at Barclays and Centrica, helping the expansion in Europe of both areas, organically and through targeted acquisitions. In 2020, I joined ENGIE, as responsible for GEMS Iberia. In 2023 I joined GEMS ExCom supervising Iberia, UK and the Supply Management Council.”
“I graduated from Ecole Polytechnique (2001) and the MIT (2003) and began my career at Société Générale New York as a market risk analyst on fixed income and commodities. After working in SG’s commodities department, I joined ENGIE and ENGIE Global Energy Management & Sales in 2015 as co-head of the Energy Transition Services and lead of the Asset Optimization and Trading Power.
My current role includes supervising Gas Physical Activities, Gas & Power trading, IT & Digital services, and quantitative models in Europe. I am also overseeing the activities in Iberia.”
Sebastien Hubau, Financial Departement Officer
“I am responsible for the finance department and risk management teams.
My role includes analyzing, developing and implementing actions to improve the risk and energy management processes.”
“I have over 20 years of experience in Legal, Ethics, and HR functions. I began my career in 2001 as a lawyer in a legal firm, and later in 2008, I joined the mergers and acquisitions department of ENGIE.
Throughout my journey within the Group, I held various key positions. Initially, I served as the General Counsel of Storengy. In addition to this role, I took on the position of Head of HR, focusing my efforts on fostering employee engagement and organizational excellence. Subsequently, in 2018, I assumed the role of Legal Director at ENGIE GBS.
In 2021, I took on a new challenge by joining the Executive Committee of R-GBU as the Chief Legal and Ethics Officer of the GBU Renewables. In this capacity, I developed and executed major legal strategies aimed at enhancing compliance and mitigating risks within the organization.”
“I graduated in 1991 as an Electrical Engineer and began my career as an oil trader at Société Générale in Paris and London. With 20 years of experience as an energy trader, in 2006, I formed and took the lead of ORBEO to tackle the emergence of new markets for CO₂ credits. From 2012 until joining ENGIE, I worked at Solvay as Head of Energy & CO₂ Markets, before heading Solvay Energy Services North America and then Solvay Biomass Energy.
My current role includes being responsible for the development of green Power Purchase Agreements (green PPA) for all clients from industry to technology companies, as well as the Asia Pacific energy business and our worldwide biomass activity. Additionally, I am managing global Sales, Structuring & Commercial Care activities.
I am led by an entrepreneurial spirit, a drive for reaching team goals and a keen taste for negotiation, especially in ambiguous or fast-paced environments.”
Stephanie Massart, Head of Human Resources
“After studying Business management and HR, I began my career in 2004 at Société Générale CIB as a compensation & benefits analyst. I then joined La Poste in 2008 as Director of Group Compensation and Benefits. Prior to joining ENGIE, I spent close to 10 years working at Crédit Agricole group, holding various positions in the CIB branch, including Chief of Staff to the Group HR Director of Crédit Agricole SA and Group Talent Manager.
My role is to lead the Human Resources department and oversee the Strategy, Communication and Sustainability teams.”
“I graduated from Ecole Supérieure de Commerce de Paris, Institut d’Etudes Politiques de Paris and Ecole Nationale d’Administration. I started my career at the French Ministry of Economy & Finance. I joined Suez in 2004 and actively contributed to the transformation of the Group, from the Electrabel takeover, the merger between Suez and GDF, to the integration of International Power. I joined EMT (now ENGIE Global Energy Management & Sales) at its inception in 2012.
My current role includes responsibility for gas origination in Europe, commercial Trading, Risk Management for Supply activities and sales to B2B clients in France. Additionally, my role is overseeing the entity’s transversal initiatives on operational excellence and green gases globally.”
“I graduated from Ecole des Mines de Paris and Collège des Ingénieurs. I began my career in 1997 with Gaz de France and have taken an active role in the development of gas & power trading and origination businesses over the last 20 years with Gaselys, GDF Suez Trading, and ENGIE Global Energy Management & Sales. I always put my energy to make markets more efficient, more resilient, and more sustainable at the service of all stakeholders.
Today, based in Houston, I supervise our activities in the United States and Mexico.”
“I have more than 20 years’ experience in the Power & Gas industry. I started my career in 1999 at Andersen as analyst in the Financial Services Industry. I joined Tractebel in 2000 as project manager supporting international business development activities. In 2005, I joined Electrabel as Chief Analyst in charge of the economic analysis of investment files in Europe. From 2009 onwards, I have held multiple leadership positions in Trading & Portfolio Management. I set up Energy Transition activities in 2016.
Since 2020 I am a member of the Executive Committee of the Global Energy Management & Sales Business Entity supervising North Western Europe power, UK, Poland, Andes and the Global Market Analysis expertise.”
Connect with our management team
We encourage connections with our Executive Committee members on LinkedIn. By connecting with us on this platform, you can stay informed about our latest projects and developments, and easily communicate with us. Reach out and connect with us, we look forward to building a professional relationship with you.