Complex sentence: Joseph Vũ Duy Thống (1952-2017) was a Vietnamese prelate, Bishop of the Roman Catholic Diocese of Phan Thiet since from July 2009 to his death and the Head of the Episcopal Committee on Cultural Affairs.
Split into simpler sentences: Joseph Vũ Duy Thống (1952-2017) is a Vietnamese prelate. He is currently Bishop of the Roman Catholic Diocese of Phan Thiet since July, 2009 and the Head of the Episcopal Committee on Cultural Affairs.