Marcin Gerwin, PhD is a specialist in deliberative democracy and sustainability, he is a coordinator of the Center for Climate Assemblies. A political science graduate, the topic of his doctoral dissertation focused on sustainable development in the context of global challenges. He designs and runs citizens' assemblies. A co-founder of Sopocka Inicjatywa Rozwojowa which led to organising the first participatory budgeting process on the city level in Poland. He is an author an author of “Citizens’ Assemblies: Guide to democracy that works”, as well as “Żywność i demokracja” (“Food and Democracy”) and “Żywność przyjazna dla klimatu” (“Climate-friendly Food”).