Steven Nell is executive vice president and chief financial officer for BOK Financial Corporation, one of the largest bank holding companies in the U.S. with banking operations in Oklahoma, Texas, Colorado, New Mexico, Kansas, Missouri, Arkansas and Arizona. The company also conducts business through BOK Financial Securities, Inc., TransFund, and Cavanal Hill Investment Management. With 23 years of experience in the banking industry, Nell is responsible for all accounting and financial reporting, tax, capital markets, mergers and acquisitions, investor relations and corporate communications. A certified public accountant, Nell graduated from the University of Oklahoma with honors, where he obtained a BBA in accounting. After college, he worked for eight years at Ernst & Young auditing public and private companies. Nell joined BOK Financial in 1992 as manager of management accounting. He was named controller of management accounting in 1996 and corporate controller in 1999. He became Chief Financial Officer in 2001. An active community supporter, Nell is a board member of the Community Service Council, YMCA of Greater Tulsa, and a trustee for The Nature Conservancy in Oklahoma. His previous community commitments include serving on the boards of the Jenks Public School Foundation and Street School in Tulsa.