TEDxLausanne

Speakers

Speakers may not be confirmed. Check the event website for the latest lineup.

• Arthur Keller

  Expert in societal vulnerabilities to systemic risks and in implementing resilience strategies

  Arthur Keller is an esteemed specialist in systemic risks, societies’ vulnerabilities to these risks, resilience strategies, and collective transformation levers. He lectures at prestigious universities and advises public agencies as well as local authorities. He also trains elected officials and civil servants in territorial security and impact storytelling and acts as a consultant and prominent speaker for institutions, companies, and NGOs. The architect of numerous proposals for societal transition, he has been heard by the French National Assembly as part of a parliamentary mission on France's resilience. Specialist in low-tech innovation and an essayist, Arthur Keller works on the roles of narratives in the dynamics of societal change and shares his advanced knowledge of the levers of collective mobilization and transformation. He is the author of an original classification into four families of the different ways in which people imagine, conceptualize or fantasize the future.

• Jonathan Normand

  Pollinisateur d'écosystème, CEO Fondation B Lab (Suisse)

  Jonathan Normand a travaillé pendant 12 ans dans la gestion des risques bancaires avant de cofonder Codethic (2009), un cabinet de conseil en bonne gouvernance. Cofondateur de B Lab Europe en 2013, il dirige depuis 2017 la fondation B Lab Switzerland, développant le mouvement B Corp, promouvant de nouveaux cadres juridiques et des programmes tels que Swiss Triple Impact, qui fédère aujourd'hui plus de 800 organisations en Suisse. En 2024, il a co-lancé la Swiss Impact & Prosperity Initiative (SIPI) afin de repenser la prospérité nationale au-delà du PIB. Conférencier universitaire actif, il s'efforce de diffuser de nouveaux modèles économiques inclusifs et régénérateurs, pour une économie plus durable et plus équitable.

• Jordan Bellatreche

  Head of Business at SoHHytec Jordan Bellatreche is the Head of Business at SoHHytec SA, a Swiss cleantech company based in Lausanne pioneering solar-driven systems that produce green fuel directly from sunlight and water. With nearly a decade of experience in renewable energy and sustainability, he has led major clean-energy and efficiency projects across Europe. Passionate about innovation and impact, Jordan is dedicated to scaling SoHHytec’s solar-fuel technology to make clean hydrogen truly competitive, locally produced, and accessible worldwide.

• Margaux Peltier

  CEO & Co-Founder of Enerdrape Margaux Peltier is a Swiss engineer and science entrepreneur, graduate of EPFL Lausanne with a MSc in Civil Engineering. She is the co-founder and CEO of Enerdrape, a cleantech company transforming underground infrastructures into renewable heat sources through geothermal panels. Her work has been recognized among others by Forbes 30 Under 30 Europe, the Veuve Clicquot Bold Woman Award, and the Forum des 100. Passionate about sustainable innovation and the energy transition, she strives to bridge science, technology, and entrepreneurship to drive meaningful change in the built environment.

• Tatiana Fedotova

  Changemaker & Aquapreneur Tatiana Fedotova is the co-founder of LeafTurtle, a boutique sustainability consultancy with a mission to give water a voice to build resilient societies. With 20 years of experience across the United Nations, business, government and NGOs, from executive board rooms to river basins, she focuses on safeguarding natural resources, driving climate resilience and upholding human rights.

• Timothée Parrique

  Researcher in ecological economics at UNIL - University of Lausanne Timothée Parrique is a researcher in economics at the Faculty of Business and Economics of the University of Lausanne. He holds a PhD in economics from the University of Clermont Auvergne and Stockholm University (The political economy of degrowth, 2019) and is the author of the book Slow down or die. The economics of degrowth (2025). His current research project explores the idea of post-growth planning applied to Switzerland.

• Viviana Nebuloni

  Soprano, entrepreneur and cultural innovator Viviana Nebuloni is an Italian soprano, entrepreneur and cultural innovator whose work bridges the worlds of classical music, law, social media and creative strategy. Trained in both opera and jurisprudence, she explores how art and law aspects can coexist using voice and thought as complementary tools to question systems, challenge conventions, and inspire change. As founder and CEO of Orchestra SRL, she designs for theaters and companies new cultural formats that merge beauty, ethics, and innovation, redefining how classical performance speaks to today’s society. Her projects reflect a belief that true artistry lies in harmony between rigor and imagination, reason and emotion: a dialogue that defines her multidimensional journey.

• Yamina Saheb

  CEO World Sufficiency Lab, lead author of the IPCC AR6 Yamina Saheb is a co-founder of the World Sufficiency Lab, a lecturer and researcher at Sciences Po Paris, a lead author of the IPCC AR6 report on climate change mitigation, and a Senior Fellow at OpenExp. She holds a Ph.D. in Energy Engineering, Master’s degrees in i) Landscape Architecture and ii) Development Economics, and an Engineering degree in Building Technologies.