From 2004-2005, Cellars worked in the German Foreign Ministry as a Transatlantic Exchange Diploma with a follow-on assignment as the Management Officer at the U.S. Embassy in Berlin, where he was the Embassy liaison officer to the White House during the G8 Summit.
Cellars worked in the German Foreign Ministry as a Transatlantic Exchange Diploma with a follow-on assignment as the Management Officer at the U.S. Embassy in Berlin. This was from 2004-2005. He was the Embassy liaison officer to the White House during the G8 Summit.