Ittenbach was born in Fürstenfeldbruck, Germany. Before creating his first film, Black Past (1989), he worked as dental technician.

In 2003, he won the Golden Glibb Award for Beyond the Limits at the Weekend of Fear in Nuremberg, Germany

In 2005, he created the special effects for the big budget horror/action film, BloodRayne, directed by Uwe Boll.