Complex sentence: Lastewka served as parliamentary secretary to the Minister of Industry from 1997 to 1999, and has been parliamentary secretary to the Minister of Public Works and Government Services since late 2003.
Split into simpler sentences: Lastewka served as parliamentary secretary to the Minister of Industry from 1997 to 1999. He is currently parliamentary secretary to the Minister of Public Works and Government Services, having been appointed to the position in late 2003.