Complex sentence: Before becoming Presiding Bishop, Griswold was Bishop of Chicago (1987-1997) and Bishop Coadjutor of the Diocese (1985-1987), he was ordained in 1963 and served three parishes in the Diocese of Pennsylvania before being consecrated to the episcopacy.
Split into simpler sentences: Before becoming Presiding Bishop, Griswold was Bishop of Chicago (1987-1997) and Bishop Coadjutor of the Diocese (1985-1987). He was ordained in 1963 and served three parishes in the Diocese of Pennsylvania before being consecrated to the episcopacy.