Career
He was elected Mayor of Zugló in 2014. His research areas are electoral systems and electoral behavior. Karácsony worked for the Medián market and public opinion research company as a research manager.
He became Director of Research in 2007.
In addition he has been an educator in the Corvinus University of Budapest since 2004. During the 2010 parliamentary election he served as campaign manager of the party.
In May 2010 he was elected deputy leader of the LMP parliamentary fraction. As a result he left the Medián firm.
He was the party"s candidate at the District II of Budapest by-election in November 2011.
Both Magyar Szocialiste Munkaspart (Hungarian Socialist Workers' Party) and LMP agreed the candidate who received fewer votes will withdraw in favour of the stronger one, however Karácsony also participated in the run-official In January 2013, the LMP"s congress rejected against the electoral cooperation with other opposition forces, including Together 2014. Benedek Jávor said he eight MPs leaving LMP would keep their parliamentary mandates.
The leaving MPs established Dialogue for Hungary as a full-fledged party.