Mr. Mackie is the President and Director of the Security National Bank in Enid, Oklahoma, where he served since 1962 in all facets of commerce banking. He is a licensed security dealer and licensed to do business in real estate and insurance. Mr. Mackie serves as an officer or director of many educational and business organizations, including the Treasurer and Board of Trustees of the Oklahoma Foundation for Excellence, Oklahoma Academy for Goals, Regent for Oklahoma Banking Association Intermediate School of banking and the Board of Governors of St. Mary's Regional Medical Center. He is chairman of the Garfield County Joint Industrial Foundation and Treasurer of the Enid Economic Coalition.