[4] Zimmerman has worked on a project with the Institute for Creative Technologies in Southern California, called the "Experience Learning System", which was commissioned by the US Army.
Zimmerman also worked on 6 of the Star Trek feature films; The Final Frontier, The Undiscovered Country, Generations, First Contact, Insurrection and Nemesis.
Zimmerman was also the art director for Star Trek: Deep Space Nine for which he received four Emmy nominations.
Zimmerman's first Emmy nomination, for the pilot episode, "Emissary", was shared with art director Randy McIlvain and set decorator Mickey S. Michaels.
Zimmerman's next three nominations – for "Trials and Tribble-ations", "Far Beyond the Stars" and "Prodigal Daughter" – were shared with McIlvain and set decorator Laura Richarz.