He studied the Faculty of Science at the Charles University in Prague and at the State University of New York. In 1998, he was the spokesman for the Department of the Environment and he worked as a director of the Public Relations Department. Since 2002 he has been sitting at the Prague 4 municipal assembly. From 2006 to 2009, he was a Councilor of the City of Prague for environment, energy and cyclo transport. In 2014, he was elected a representative of Prague 4, and later became its mayor. From 2006 to 2010, and again from 2014, he has been a representative of the capital city of Prague. He has been a member of the Green Party since 2003.