She is co-author of the book Angel Walk: Nurses at War in Iraq and Afghanistan and an author of a women's health book. She was the first civilian nurse White House Fellow and served with the U.S. Secretary of Education. She taught psychiatric, pediatric, and medical surgical nursing in California, New York, and Massachusetts, and was a counselor and psychotherapist in private practice in Boston and West Los Angeles. Diane is a nationally certified Rapid Resolution Therapy practitioner in private practice in Oregon.