Complex sentence: He began working for John Hostettler, a member of the United States House of Representatives, in 1997 and then served as an advisor to Mitch Daniels, the Governor of Indiana, beginning in 2003.
Split into simpler sentences: He began working for John Hostettler, a member of the United States House of Representatives, in 1997. Holcomb served as an advisor to Mitch Daniels, the Governor of Indiana, beginning in 2003.