born in 1964, is a German journalist, author and presenter. He lives and works in Leipzig. Köster studied politics, history and philosophy. He later worked for the German broadcasting corporations SWR and MDR, as well as various private radio stations. As a freelance author he has published numerous books and articles in various media. In 2006 he was put in charge of public relations and fundraising for the Udo Lindenberg foundation and now coordinates their operational business.