of Bank of Oklahoma, Oklahoma City. Before moving to Oklahoma City in 2013, Maun was chairman and CEO of Bank of Kansas City (now known as Mobank). Under his leadership, Bank of Kansas City grew from a start-up bank in 2006 to more than $440 million in total assets and 130 employees.

Maun is a board member of the Gilcrease Museum National Advisory Council, Impact Tulsa, University of Tulsa Friends and the TU Collins College of Business Executive Council. He is also a graduate of Leadership Tulsa, Class XX and Leadership Oklahoma, Class XI. Maun has served as member of Alzheimer’s Association Memory Gala committee (2017) and will be chairing the event in 2018.

Maun earned a Bachelor’s in Business Administration from The University of Tulsa and an MBA fromWashington University in St. Louis.

Steven E. Nell

Executive Vice President, Chief Financial Officer

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