Our management team
Chief Executive Officer
As a physicist, Yun believes in the simple beauty of the world. As an entrepreneur, Yun is persistent and enthusiastic. She strives to drive RoSi to be a key player in sustaining the values in solar energy production. Green from Green, and back to Green!
Diploma of Engineering from Ecole Polytechnique in France (X97)
PhD from Max-Planck-Institute of Microstructure Physics in Germany (‘05)
Technology management in Meyer Burger Technology Group (CH)
Chief Technology Officer
As a specialist in silicon purification, Guy is commited to bringing the deeptech from laboratory scale to industrial deployment to the benefit of our planet.
Master from National Polytechnic Institute of Grenoble (’03)
PhD in Materials Science and Processes from Grenoble University (’06)
CNRS Researcher at SIMaP laboratory
General manager & Commercial director
With both a technical and a business background, Antoine works towards improving environmental practices in the renewable energy sector. He believes cradle-to-cradle thinking is key to build the world of tomorrow.
Engineering Degree from Ecole Centrale de Lyon (’13)
Master of Environment from Tsinghua University (’13)
CEA Tech Representative in China
Technology & Market Analyst at Infinergia Consulting
Chief Financial Officer
Finance expert with proven track record in merger and acquisition, Sébastien is willing to bring ROSI from the start-up phase to an established status of industrial group.
Diploma of Corporate Finance from ESCP Europe
Board Member Certificate from Science Po
Financial Director at Rhodia Pharmaceutical Ingredients
Chief Financial Officer Mérieux NutriSciences group
Director of Sales
Successfully working in the PV-Industry in different roles and companies since many years.Pragmatical, hands-on and a very good communicator. Authentic, credible, dynamic.Is fully persuaded that the re-use of materials will be a gigantic source of raw-materials which will also lead to more geo-political independancy.
diploma in Sales and Export from University of Applied Sciences in Berne
CAS International Management from University of Lucerne
CAS Project management from University of Applied Sciences FHNW Brugg
worked for 3S Swiss Solar System (CH), Meyer-Burger (CH), Solaxess (CH) and mbj solutions (DE)
Ingénieur Arts et Métiers (Promotion Angers 66)
Ecole Supérieure d’Application du Matériel (Bourges)
Institut de Génie Chimique de Toulouse (1972)
Institut Français de Gestion (ICG) 1980 formation en alternance.
ROSI is also a group of dynamic employees who are motivated by our mission to promote a circular economy and reduce the carbon footprint of solar energy production.