Complex sentence: He was the founding publisher of Encounter Books in California and held that position from 1998 until he resigned in 2005, when it moved from San Francisco to New York City, and Collier was replaced as publisher by Roger Kimball.
Split into simpler sentences: He was the founding publisher of Encounter Books in California and held that position from 1998 until he resigned in 2005. The company moved from San Francisco to New York City, and Collier was replaced as publisher by Roger Kimball.