Karl-Friedrich works as a freelance film director, screenwriter and producer in Leipzig. He completed the film programs TP2-Talentpool and Professional Media Masterclass financed by the Central German Media Fund. From 2006-2013 he was curator of the Leipzig experimental film festival “The Night of Radical Film.” Together with his brother Tilman König, he runs the production company 2Könige Film and produced and directed the independent feature film THE BLACK NAZI, which was released in cinemas nationwide in 2016 . In 2018 and 2020 he received scholarships from the Cultural Foundation of Saxony. His films have been shown at national and international festivals and won numerous awards. He is currently working on the fictional mini-series “BLUT” with funding from the Saxony Cultural Foundation.