Our team


Helene Teulon


Hélène Teulon is an engineer graduated from the École Polytechnique, and has a doctorate in industrial economics. She has been developing stroke skills since 1992.

Founder of Gingko 21 in 2005, she developed the OpenGreen eco-innovation method, published in The Eco-innovation Guide: it helps management teams to integrate the circular economy into their strategy, leads creativity seminars, and notably explores disruptive eco-innovation, aimed at completely erasing environmental impacts.



Gentian Gastaldi


Gentiane Gastaldi is an agricultural engineer specializing in the environment.

After an experience in mass distribution, she joined Gingko 21 and supports our customers in the realization of LCA, the implementation of eco-design and the training of their teams.



Quentin Bezier

Designer engineer

Quentin is an eco-designer, graduated from the Nantes Atlantique School of Design and ENSAM.

He has worked for Gingko 21 since 2015 and supports companies in their development towards a lower impact activity. He is in charge of LCA, ecodesign and industrial ecology projects.



Myriam Berna

Administrative manager

​Myriam Berna is administrative manager. She is an INSA engineer in civil engineering and town planning; she has taught for fifteen years as a school teacher; she trained in Steiner-Waldorf pedagogy. She has used all her skills at Gingko 21 since April 2018.



Julie houssier

Apprentice Agronomist

​Julie Houssier is an apprentice agronomist studying at AgroParisTech. She joined Gingko 21 as part of her training. She works on projects related to nutrition, particularly on OptiNutrition.



Emil Dohlen

Engineer in life cycle assessment and ecodesign

​​​Emil Dohlen is an engineer in life cycle assessment and ecodesign. He graduated from the Technical University of Denmark and the Norwegian University of Science and Technology in industrial and territorial ecology. He joined Gingko 21 in 2020.


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Claire Rebourg

Engineer in life cycle assessment and ecodesign

Claire Rebourg is an engineer graduated from Ecole Centrale Paris with a first experience in the aeronautics sector. Motivated to contribute to the consideration of environmental impacts in product development, she joined Gingko 21 in 2020 as a consulting engineer in LCA and eco-design.


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Anna Mogensen

Eco-innovation and Business Development

Anna Mogensen combines the skills of an ESPCI engineer and a doctorate in Solid State Physics, with a business perspective (IAE Paris / Harvard).  She has been working for more than 15 years on innovation issues in the field of materials and opto-electronics for large groups in the health, defense, telecom and construction sectors in France, and in strategic management as a consultant in Germany.  She joined Gingko 21 in 2020 to develop the commercial offer and to support our clients in their eco-innovation, responsible business model research and change management.



Louison Robin

Engineer in life cycle assessment and ecodesign

Agrippine Denis is a graduate engineer from AgroParisTech, where she specialized in environment. In 2020, she had a first experience in ecodesign in the energy sector. Wishing to participate in the reduction of the environmental impacts of the actors of our society, she joined in 2021 the team of Gingko 21 as a consultant in eco-innovation.



Josselin Le Goff

Stagiaire Ingénieur en génie industriel

Josselin Le Goff effectue son stage ingénieur de l’école Nationale des Ponts et Chaussées chez Gingko21 en 2021. Il souhaite aider les clients à faire évoluer leurs stratégies en tenant compte des impacts environnementaux, sociaux et économiques qu’elles impliquent à tous les niveaux de leurs chaines de valeur.


Frédéric Thébaud


Frédéric Thébaud is a graduate of the École Polytechnique and has a doctorate in Materials Science. His experience in the automotive and energy sectors, in large groups such as mid-sized companies, as well as in an international consulting firm, gives him detailed knowledge of the conditions for adopting new environmental practices in the company. . It is developing Gingko 21's activities in the Grand Est region (Alsace - Champagne - Ardennes - Lorraine).



Marie Cécile Pinson

Project Manager Design

Marie-Cécile Pinson is a graduate of the École du Louvre and the IAE of Paris. His interventions aim to integrate design and management of innovation within companies, to make it a vector of development and business. After working for international groups such as professional federations and a French organization, she is now Design Project Manager at Gingko 21 and works as an AMO Architecture-Design-Living Environment for Wood Living Buildings.



Faustine Vanhulle

Creativity and value analysis expert

​Faustine Vanhulle - Creativity and Value Analysis Expert


Francois Raffin

Innovation and Change Expert

​François Raffin - Innovation and Change Expert

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Francois Richard

Information and Communication Expert

​François RICHARD is a graduate of ESIEA, School of Engineers of the Digital World, and doctor of Applied Computing. His various responsibilities in the field of Telecommunications (at FranceTélécom / Orange and at Matra Communication) allow him to have a good perception of the current developments in the digital world and more particularly on its environmental footprint. As such, he participates in the work of the think tank The Shift Project.

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Fabien Tournan

Regenerative Systems Consultant Permaculture and Agroecology

​Fabien Tournan is the founder of the "Plant Regeneration" design office. He is an international consultant, teacher-researcher, specialist in holistic management of territories.


Nathalie Viel

Sustainable innovation, marketing

Nathalie Viel - Sustainable innovation, marketing