Gergely Szilveszter Karácsony is the Mayor of Budapest, Hungary.
Karácsony worked for the Medián market and public opinion research company as a research manager. He became Director of Research in 2007. Between 2002 and 2008 he was a political advisor at the Prime Minister’s Office. In addition to that, he worked as a teaching assistant at the Corvinus University of Budapest from 2004, an assistant lecturer from 2007 and an assistant professor from 2008.
Karácsony became a member of the newly formed Politics Can Be Different (LMP) party in 2009. During the 2010 parliamentary election he served as campaign manager of the party. He became a Member of Parliament from the Budapest regional list (3rd place). In May 2010 he was elected deputy leader of the LMP parliamentary fraction. As a result, he left the Medián firm. He is a political scientist, he previously served as member of the National Assembly (MP) from 2010 to 2014 and Mayor of Zugló from 2014 to 2019.