Director sutainability, Magenta 

François Guisan is an environmentalist active both in the economic circles of the construction sector and in non-profit associations. With a Master's degree in Applied Ecology Sciences obtained in 1995 from the University of Neuchâtel, François Guisan has been working for more than 25 years in the search for sustainability solutions for the construction and urban planning sector. Since 2022, he has been awarded a federal diploma as a real estate developer. He has accompanied and continues to support numerous development projects and was the designer of the SEED next generation living certification protocol for sustainable neighbourhoods.