Tonislav Hristov is a Bulgarian filmmaker, based in Finland since 2001. In 2008, he directed his first documentary film, Family Fortune, for Yle (Finnish Broadcasting Company) and Bulgarian National Television. His first feature-length documentary, Rules of Single Life, premiered in Finnish cinemas in 2011 and in Bulgarian cinemas in 2012, and won Best Documentary Award at the Sofia International Film Festival and was shown at many others.