Complex sentence: Havens joined Morgan Stanley in 1986 as a principal in institutional equity, where he progressed, eventually leading to a five year stint as a Managing Director and Global Head of the Institutional Equity Division from September 2000 to March 30,2005.
Split into simpler sentences: Havens joined Morgan Stanley in 1986 as a principal in institutional equity. At Morgan he was a managing director and global head of Institutional Equity Division from September 2000 to March 30,2005.