Starting in 1973, Zenker became a freelance writer and participated in author readings, including at the left-wing festival, Volksstimmfest, located in the Prater.
Helmut is the father of Tibor Zenker (7 March 1976) who, as of February 2021, is the chairman of the Party of Labor of Austria.
[1] Zenker began his writing career in 1974 with a series of books about the Viennese police major Adolf Kottan, but it was not published.
His first play, "Insanely Happy" was directed by Gustav Manker and premiered at the Vienna Volkstheater starring Karlheinz Hackl and included Rudolf Jusits.
From 1990 to 1998, the successful TV series Tohuwabohu, written by Zenker, was produced starring Jazz Gitti, Franz Suhrada and Ossy Kolmann.
(group 40, number 89) The single by Hans Krankl used for the Lonely Boys had an album cover painted by Sammy Konkolits.