Complex sentence: He led the War-torn Societies Project (WSP) from 1996 to 2003 and in the two years following acted as the Horn of Africa Director for the International Crisis Group (ICG).
Split into simpler sentences: He led the War-torn Societies Project (WSP) from 1996 to 2003. During the following two years, Bryden was the Horn of Africa Director for the International Crisis Group (ICG).