Marek Ženíšek is a member of the Chamber of Deputies of the Czech Republic, first vice-chairman of TOP 09, and a political scientist.
Until 2009 he used to work for the Czech Society for Political Sciences. He is a lecturer at the University of West Bohemia and the Metropolitan University Prague. In the past he worked at the Ministry of Justice and later he was appointed as a Deputy Minister. In 2012 he became First Deputy at the Ministry of Health. He is also an author and co-author of several books and scholarly texts concerning political and electoral systems.