Our activity

GenSun is part of the Ponticelli Group since 2017. It is a family-owned group specialised in engineering, construction and maintenance of industrial facilities. The group employs 5,000 people worldwide, with a turnover of €950 million.

The Ponticelli Group assures the support of an industrial player who shares the culture of engineering, construction and industrial maintenance, and has a significant financial capacity.

To learn more about GenSun :

Our key figures

Solar power plants built or in progress
0 GWp
O&M portfolio (France and Export)
0 MWp
Collaborators worldwide
Countries: France, Portugal, El Salvador, Argentina and Tunisia

Our values

“Our four core values were born out of the chemistry between management and employee values. They have been adopted, have stood over time and have served as a standard. “


Societal & Environmental universalism


Our team

Stéphane Lasserre


Stéphane Dorvaux

Chief Executive Officer

Johan Poujol

Mission Manager
Johan Poujol is a graduate of ICAM in Toulouse, a general engineering school, and of Montpellier Business School (MBA). After a first experience of 5 years in the construction industry, Johan joined GenSun in 2010. After various positions, from the construction department to the price study and sales departments, Johan is now managing the company.

Thomas Segura

Commercial Manager
Thomas holds a Master's degree in International Business Management and has a deep knowledge of the solar photovoltaic industry, having worked for various PV developers. He is the link between customers and GenSun's internal teams.

Daniel Chebaï

QHSE-Purchasing Manager

Alexandre Loizeau

Design Office Manager
Alexandre Loizeau is a graduate of ENSMA (Aeronautics, Poitiers). After 8 years of experience as a design engineer and then technical director in the TOPBIS Design Office (independent design office in photovoltaic and thermal solar energy, HVAC, building heating), he joined GenSun in 2015 to carry out the engineering of large international projects. He became Head of the Design Office in 2017.