I sat down with Denise Warren, CFO of Franklin, Tenn-based Capella Healthcare, to discuss her career in finance, a traditionally male-dominated industry, and her experience over the past nine years working in health care. Every senior financial position at Capella is held by a woman. Warren, a graduate of Southern Methodist University and Harvard Business School, started her career as an analyst, working for a series of financial firms before moving to Nashville to serve as CFO of Gaylord Entertainment…