Complex sentence: He is the Association's spokesperson on prostitution and related vice matters, taking a leading part in framing the Government's policy dealing with child prostitution in 1998 and creating ACPO's own prostitution strategy in 2004.
Split into simpler sentences: He is the Association's spokesperson on Prostitution and related vice matters. He took a leading role in forming the Government's policy on child prostitution in 1998 and creating ACPO's own prostitution strategy in 2004.