Dennis Mark Prager (/ˈpreɪɡər/; born August 2, 1948) is an American conservative radio talk show host and writer. His initial political work concerned Soviet Jews who were unable to emigrate. He gradually began offering more and broader commentary on politics. His views generally align with social conservatism. He founded PragerU, an American non-profit organization that creates videos on various political, economic, and philosophical topics from a conservative perspective.