Complex sentence: In the federal Parliament he was a member of the Opposition Shadow Ministry (1984--89 and 93--96) and Deputy Manager of Opposition Business in the House (1988--89 and 1993--94).
Split into simpler sentences: In the federal Parliament he was a member of the Opposition Shadow Ministry (1984--89 and 93--96). He was Deputy Manager of Opposition Business in the House (1988--89 and 1993--94).