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10 alumni committed to sustainability

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06.02.2026

Sustainability Portraits 2026

10 alumni committed to sustainability

Participatory urban planning, the energy transition, biodiversity, soft mobility, climate adaptation and social innovation: this portrait series highlights EPFL alumni who are taking concrete action to support today’s environmental and societal transformations.

Discover the journeys of Alice Chénais, Alissar Chaker, Cédric Tomasini, Dominik Blaser, Eléa Dheilly, Hannie de Wit, Océane Dayer, Tobia Wyss, Victor Cannilla and Yves Loerincik, ten committed personalities who are rethinking the way we live, build, collaborate and preserve resources.


Alice Chénais
Alice Chénais
Architect and urban planner · Co-founder, Atelier OLGa
In Lausanne, Alice Chénais transforms public spaces with local residents. Her work combines participatory urban planning, greening initiatives and the creation of social ties.

Alissar Chaker
Alissar Chaker
Environmental engineer · UN diplomat
Alissar Chaker has devoted more than twenty years of her career to the United Nations Development Programme, working in crisis contexts around the world to advance human development and climate resilience.

Cédric Tomasini
Cédric Tomasini
Computer science teacher 
Cédric Tomasini chose to leave engineering to become a computer science teacher at the Gymnase de Bussigny, guided by a need for proximity, meaning and education rather than large-scale technological development.

Dominik Blaser
Dominik Blaser
Product Director · Co-founder, Voltiris
Dominik Blaser co-founded Voltiris in 2021, a start-up developing solar panels adapted to agricultural greenhouses to produce electricity without harming crops. 

Eléa Dheilly
Eléa Dheilly
Sustainable medical products adviser · MSF
At Médecins Sans Frontières, Eléa Dheilly works to reduce the environmental impact of single-use medical products around the world, following an eclectic and committed career path. 

Hannie de Wit
Hannie de Wit
Head of Environment · Givaudan
Hannie de Wit has put her chemical engineering expertise at the service of the environmental transition by joining Givaudan, where she develops new standards to reduce the impact of the fragrance and flavour industry from within. 

Océane Dayer
Océane Dayer
Federal Office for the Environment · Swiss Youth for Climate
A former spokesperson for Swiss youth on climate issues, Océane Dayer now works at the interface between policy and science.

Tobia Wyss
Tobia Wyss
Building engineer · Soleva
From energy renovation to solar mobility, Tobia Wyss develops concrete projects to accelerate the transition of buildings and transportation.

Victor Cannilla
Victor Cannilla
PhD student · Post-growth
Victor Cannilla, a former trader and consultant turned researcher, explores issues of social justice and post-growth transition through research, science communication and activist engagement. 

Yves Loerincik
Yves Loerincik
Cantonal Office for Sustainability and Climate · Canton of Vaud
Between entrepreneurship, environmental strategy and public action, Yves Loerincik seeks concrete levers for sustainable transformation, today at the scale of the Canton of Vaud.

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