'''Peter E. Gillquist''' (July 13, 1938 - July 1, 2012<ref name=ocaObit>{{cite web|url=http://oca.org/in-memoriam/archpriest-peter-e.-gillquist|title=In Memoriam - Archpriest Peter E. Gillquist|date=July 2, 2012|publisher=[[Orthodox Church in America]]|accessdate=4 July 2012}}</ref>) was an [[archpriest]] in the [[Antiochian Orthodox Christian Archdiocese of North America]] and retired chairman of the archdiocese's department of missions and evangelism. He was chairman of Conciliar Press (Ben Lomond, California) and the author of numerous books, including ''Love Is Now'', ''The Physical Side of Being Spiritual'' and ''Becoming Orthodox.'' He also served as project director of the ''[[Orthodox Study Bible (Eastern Orthodox)|Orthodox Study Bible]]'' and from 1997 served as the National Chaplain of the [[w:Sigma Alpha Epsilon]] fraternity.