Matúš Vallo is an architect, urban activist and the Mayor of Bratislava. He is the author of the most comprehensive publication on solutions for Bratislava – Plan Bratislava. To write this book he brought together 76 top city experts covering various expert _elds. He is also a renowned architect and former co-owner of the Vallo Sadovsky Architects architectural studio. He studied in Rome, worked in London, and was awarded a Fulbright Scholarship at Columbia University in New York. He was twice invited to participate in the most prestigious international conference on urbanism, CityLab, organized by Bloomberg Philanthropies. Despite international opportunities, he devoted his energy to Bratislava. He stood behind the civic association We Are the City, the Alliance of the Old Market and the Alliance of 500 Flats. He also established the Urban Interventions project, which since 2008 generated more than 900 projects to improve public space in 20 cities. He was elected Mayor of Bratislava in the 2018 municipal elections.