Team : the meeting of 2 Inventors & 4 Entrepreneurs

SurfactGreen team

Our creative team

SurfactGreen was created in 2016 by 2 inventors and 4 entrepreneurs. As a result, SurfactGreen is a an experienced team of founders and co-owners cumulating 170 years of experience in chemistry, 90 years in international business development and start-ups and finally 90 years in green chemistry academic research.

SurfactGreen team Pierre-Yves Divet

Pierre-Yves Divet

President and founder

Pierre-Yves Divet (chemical engineer) is a private investor in the chemistry sector. He has also an international track record over several decades in leading large chemical companies.

SurfactGreen team Xavier Rousel

Xavier Roussel

Chief executive officer and co-owner

Xavier Roussel (INSEAD Executive MBA, BA Sales and Marketing) has held various positions (Supply Chain, VP Sales and Marketing, VP Operations and Managing Director) in different countries. Mainly focused on international development, Xavier has also been involved in food, agro-business, renewable energy and fine chemistry.

SurfactGreen team Thierry Benvegnu

Thierry Benvegnu

Inventor, scientific advisor and founder

Thierry Benvegnu (Ph.D in organic chemistry at ENSCR, postdoctoral studies at the Stanford University in USA) is professor, specialized in the design of 100% bio-based surfactants. Thierry received 6 awards and published more than 80 scientific papers. He published also 18 patents and is the co-author of several books.

Jacques Biton

Scientific advisor, and co-owner​​

Jacques Biton (Phd in biotechnology) has firstly held operational positions in R&D in international pharmaceutical companies. Since 2002, Jacques is involved in set up (from initial idea up to IPO on alternext) and operational management of innovative start-ups in cleantech, greentech and biotech.

SurfactGreen team Freddy Pessel

Freddy Pessel

R&D Engineer

Freddy Pessel is a chemical engineer from Ecole Nationale Supérieure de Chimie de Rennes (ENSCR). Moreover, Freddy also owns a PhD in Green Organic Chemistry from University Paris-Sud. Lately, Freddy worked for 2 years on the development on surfactants from brown algae. Freddy is currently working on the optimization and production of biobased cationic detergents.

SurfactGreen team Francis Galle

Francis Galle

Formulation engineer

Francis Galle is a chemical engineer from Ecole Nationale Supérieure de Chimie de Lille (ENSCL) with expertise in formulation. Francis is able to rely on his experiences with surfactants used in detergent and agrochemical for the formulation of SurfactGreen molecules.

SurfactGreen team Cédric Boyère

Cédric Boyère

R&D Engineer

Cédric Boyere has a PhD in chemistry from the University of Liège (Belgium). He managed research projects in organic chemistry, green chemistry including CO₂ technologies and developped original libraries of sugar-based surfactants. Currently, Cédric is working on the valorization of algae by green chemistry.

SurfactGreen team Clémentine Martin Lepicard

Clémentine Martin Lepicard

Regulatory and Commercial Affairs Officer

Clementine previously worked in different companies in the personal care and cosmetic industry with 15 years of experience in commercialization of cosmetic raw materials. Lately Clementine was technico commercial focused on customer oriented. She is now responsible of cosmetic market segment.

SurfactGreen team Quentin Brouet

Quentin Brouet

Business developer

Quentin Brouet is a chemical engineer from Ecole Nationale Supérieure de Chimie Organique et Minérale (ESCOM). Quentin has 20 years experience in international sales and marketing of specialty chemicals and food ingredients in various companies. 

Surfactgreen Team Milene Richard

Milène Richard

R&D Cosmetic Laboratory

Milène has 5 years experience in R&D cosmetic formulation, especially in haicare, skincare and make up applications. She is in charge to set up the new cosmetic application laboratory at SurfactGreen.

SurfactGreen Alice Marsault Team

Alice Marsault

Chemical Technician

Alice Marsault studied analytic chemistry and R&D formulation in Poitiers and Orleans universities. She is in charge of surfactants caracterization.

Daniel Danjean


Daniel Danjean (Engineer ENSC Toulouse) has 25 years of experience as business developer for international chemical distributors. Indeed, Daniel is an expert in surfactant applications such as cosmetic, detergent, paint, building, printing and agroscience. He is also expert in formulation, registration, labelling and has also a diploma of trainer FFP.

Daniel Plusquellec​

Inventor and founder

Daniel Plusquellec is former Dean of Ecole Nationale Supérieure de Chimie de Rennes (ENSCR), France and former President of Fédération Gay-Lussac. Currently, Daniel is Emeritus Professor and Fellow of the Royal Society of Chemistry (UK). Daniel has published more than 130 scientific papers, patents and is the co-author of several books.