In the years 1969-1974, Moffett attended a private secondary school in Germany (Schule Schloss Neubeuern). After attending Stanford University, where he majored in political science, he found himself back in Chicago working as an investment banker. He was lured by a friend to the St. Nicholas Theater Company on a whim, where he began studying with william H. Macy. Shortly thereafter, he started his own theater company, called Remains Theater.