Na amata ana aʻoaʻoga i le Iunivesite o Yale, lea na ia faauu ai i le B.A. i le gagana Saina i le 1987, ma a o i ai i le kolisi na ia aʻoaʻoina i fafo i le National Taiwan University. Na maua e Pastreich se MA i tusitusiga faʻatusatusa i le Iunivesite o Tokyo i le 1991, lea na ia tusia ai le master's dissertation, Edo kôki bunjin Tanomura Chikuden: Edo Muyô no shiga " (The Late Literatus Tanomura Chikuden; The Uselessness of Painting and Poetry), atoa i le gagana Iapani. Ona toe foʻi ai lea i le Iunaite Setete ma i le 1998 na maua ai lona Ph.D. i East Asian studies i le Iunivesite o Harvard. Na avea o ia ma polofesa fesoasoani i le Iunivesite o Ilinoi i Urbana-Champaign, George Washington, ma le Mary Solbridge International School of Business.
Iunivesite o Ilinoi i Urbana<unk>Champaign, Iunivesite o George Washington, ma le Solbridge International School of Business