Ewa Leś is a biologist with a background in environmental law. Her work focuses on freshwater security, water policy, water democracy building, and water conflicts. She is the founder of the River University, and co-founder of the Polish Save the Rivers Coalition (2016). She is currently Working Area Leader on Eutrophication in the Baltic Sea region at the Coalition Clean Baltic. In 2021, she was nominated to the Ashoka SHE SAYS program supporting women changemakers and social entrepreneurs. You can find her on Linkedin.