Complex sentence: He chaired Barry Goldwater's presidential campaign in California in 1964, and he was one of Ronald Reagan's initial supporters for governor of California, serving as state finance chairman for his 1966 campaign and part of Reagan's "kitchen cabinet".
Split into simpler sentences: He chaired Barry Goldwater's presidential campaign in California in 1964. Later, Salvatori was one of Reagan's initial supporters for governor of California, serving as state finance chairman for his 1966 campaign and as part of Reagan's "kitchen cabinet".