Complex sentence: He was the director of the Latvian Traumatology and Orthopaedics Hospital from 1994 and chief of its board from 1998, he left these offices on 5 July 2007.
Split into simpler sentences: He was the director of the Latvian Traumatology and Orthopaedics Hospital from 1994 and chief of its board from 1998. He left these offices on 5 July 2007.