Grunsky began his career as a camera assistant in
Austria and
Germany, where he learnt from cinematographers such as
Lee Daniel on
Before Sunrise (1995). His first feature-length movie as cinematographer was
Funny Ha Ha (2002) for director
Andrew Bujalski, with whom he continued to work on his following films. Grunsky used black and white video cameras with
video camera tubes for the comedy drama film
Computer Chess (2013), for which he was nominated for the
Independent Spirit Award for Best Cinematography. In 2019, Grunsky won Best Cinematography at the
Midwest Independent Film Festival for the musical film
Saints Rest (2019). That same year, he also won Best Cinematography at the History Film Fest for the television film
Defiance. Three Women and the Vote. For the romantic comedy film
There There (2022), which was shot remotely under Covid restrictions, Grunsky used
iPhone cameras. 2024 he has collaborated with German director
Edgar Reitz on "Leibniz- Chronicle of a lost Painting" (2025). == Selected filmography ==