Warren Ruppel, CPA, began his career at KPMG Peat Marwick in 1979 and joined Deloitte & Touche in 1989 to specialize in audits of not-for-profit organizations and governments. He has since served as the chief financial officer of an international not-for-profit organization and as the assistant comptroller responsible for the accounting and financial reporting for one of the largest cities in the United States.