Complex sentence: The first was Lena K. Lee who served from 1967-1982; th second, Lisa Gladdedn 1998-2002, the third is Jill P. Carter 2003-present.
Split into simpler sentences: The first was Lena K. Lee who served from 1967-1982. The Second was Lisa Gladdedn 1998-2002, the third is Jill P. cfarter 2003-present.