Board of Trustees
Chairman
Samuel Deshields
Muret CPA, PLLC
samuel.deshields.cpa@gmail.com
Sam Deshields, CPA graduated from Northeastern State University with a B.S. in Accounting and is the Assurance Director at Muret CPA, PLLC. He holds a Certified Public Accountant license and is a member of the OSCPA and AICPA. Sam has been providing Auditing and Accounting Services to clients throughout the State of Oklahoma and Nationally for the past 10 years. Industry experience includes construction contractors, manufacturers, health care providers, franchisors, employee benefit plans, real estate, not-for-profit entities, oil & gas production, coal mining operations, and various professional businesses. Sam has been with Muret CPA since February 2024.
Past Chairman
Dalton Crabb
First Pryority Bank
Dalton is the Vice President of Internal Audit at First Pryority Bank. A graduate of Oklahoma State University, Dalton holds degrees in both accounting and management. Dalton's professional journey began in public accounting, where he served as an external auditor. Through this role, he gained invaluable insights into various industries, working with clients spanning hospitals, tribal governments, not-for-profit organizations, financial institutions, and manufacturing/fabrication entities. In 2022, Dalton attained the CPA credential, furthering his commitment to excellence in the field of accounting. Additionally, he holds the title of Certified Fraud Examiner (CFE), demonstrating his specialized knowledge and proficiency in fraud detection and prevention. Currently, Dalton is pursuing his MBA at Northeastern State University and hopes to graduate in 2025.
Dalton moved to Broken Arrow in 2021 with his wife, Aubree. When he’s not working Dalton enjoys going on walks with his wife, playing golf, reading, and watching movies.
Vice Chairman/Chairman Elect
Ian O'Guin
The George Kaiser Family Foundation
Ian O’Guin is the Investment Operations Manager on the Investments team at the George Kaiser Family Foundation. He is a Certified Public Accountant (CPA) and Certified Valuation Analyst (CVA) with both bachelor’s and master’s degrees in accounting from Northeastern State University.
A Tulsa native, Ian lives in town with his wife Natalie. Outside of work, he enjoys weightlifting, travel and playing online chess.
Treasurer
Nate Schmidt
MCO, PLLC
Nate Schmidt is an Audit Manager at MCO, PLLC, where he primarily provides audit and assurance services to nonprofit organizations. He is a Certified Public Accountant (CPA) and Certified Fraud Examiner (CFE) and holds bachelor's degrees in Accounting and Energy Management from The University of Tulsa.
Nate lives in Broken Arrow with his wife. Outside of work, he enjoys playing golf, working out, traveling, and attending sporting events.
Secretary
Nichol Isobe
MCO, PLLC
Nichol is a Senior Auditor at MCO, PLLC, where she provides assurance and advisory services to clients across many industries including construction, employee benefit plans, franchising, and the not-for-profit sector. A Certified Public Accountant (CPA) and Certified Fraud Examiner (CFE), she earned both a bachelor’s and a master’s degree in accounting from the University of Oklahoma.
Originally from California, Nichol has called Tulsa home for the past 10 years. She enjoys knitting, crocheting, cooking, and game nights with friends and family.
