Complex sentence: She is a lawyer and rancher in Cheyenne and served from 1999-2007 as the 29th state treasurer from 1999-2007, in which capacity she managed over $8 billion in annual funds and was elected president of the Western State Treasurer's Association.
Split into simpler sentences: She is a lawyer and rancher in Cheyenne and served as the state treasurer from 1999-2007--the 29th person to have held the position. In that capacity, she managed over $8 billion in annual funds and was elected president of the Western State Treasurer's Association.