Complex sentence: The Rev. Michael Piazza, was senior pastor for nearly twenty years during the late 1980s and early 1990s and oversaw the largest growth in the church's history, from 250 members to more than 3,000 while ministering through the AIDS Crisis.
Split into simpler sentences: The Rev. Michael Piazza, was senior pastor for nearly twenty years during the late 1980s and 1990s. He oversaw the largest growth in the church's history, from 250 members to more than 3,000 while ministering through the AIDS Crisis.