Complex sentence: He served as chairman for the Colorado preschool pilot program, on the Sterling Schools Building Accountability Committee, and on the board of the Sterling Baseball Organization, and has coached and umpired Colorado high school baseball and other sports.
Split into simpler sentences: He served as chairman for the Colorado Preschool Pilot Program and was on the Sterling Schools Building Accountability Committee. His leadership expanded into sports, where he was on the board of the Sterling Baseball Organization, and coached and umpired Colorado high school baseball, among other sports.