Mr. Mackie is Vice Chairman of the Security National Bank in Enid, Oklahoma, where he has served since 1962 in all facets of commercial banking. He also serves as a Director of the Security Financial Services Corp. and is asset manager of Hamm Financial Group. Mr. Mackie serves as an officer or director of many educational and business organizations, including past President of the Board of Trustees of the Oklahoma Foundation for Excellence, Regent for the Oklahoma Banking Association Intermediate School of Banking, and also the Board of Governors of St. Mary's Regional Medical Center. He is past Chairman of the Garfield County Joint Industrial Foundation and Treasurer of the Enid Economic Coalition. He also serves on the Northwestern Oklahoma State University/Northern Oklahoma College Community Advisory Board and their respective foundations.
