He is known for his published works, career as an attorney, and writings on the role of Pope Pius XII in World War II.
Rychlak attended Wabash College and received a Bachelor of Arts degree cum laude in economics in 1980.
Rychlak serves as an advisor to the Holy See's Permanent Observer Mission to the United Nations on various issues of international law.
His book, Disinformation, is co-authored with Ion Mihai Pacepa, the highest ranking Soviet bloc intelligence agent to ever defect to the U.S.
He has been a panelist for The Washington Post's "On Faith" blog, a columnist for Crisis magazine online,[12] and is a regular contributor to The Epoch Times (2018—).