Complex sentence: As a member of the Fire Brigades Union, he became a member of the executive council (1993-2000), a National Officer (1996-2000) and General Secretary (2000--05) before losing his position to Matt Wrack in 2005.
Split into simpler sentences: As a member of the Fire Brigades Union, he became a member of the executive council in 1993, a position he held until 2000. He was a national officer from 1996 to 2000 and General Secretary from 2000 to 2005 before losing his position to Matt Wrack in 2005.