Brenna Johnston is the primary administrator of NCAA Bylaws 14 and 15 for all sport programs. 

Johnston worked as an academic advisor for four years prior to beginning her role for NAU Athletics as Eligibility Coordinator. She was promoted to Director of Eligibility in January 2020, then to Assistant Athletic Director of Student-Athlete Services (Eligibility & Scholarships) in July 2023 and has served as Associate Athletic Director for Student-Athlete Services as of September 2025. She was nominated in 2022 by NAU Athletics to participate in the second-ever cohort of the Big Sky U professional development program for aspiring ADs and SWAs. She was nominated for the “Guiding Axe” award for student-athletes by SAAC in 2023 and 2024.

Johnston has lived in many college towns including Eugene, Ore., Chapel Hill, N.C., Bloomington, Ind., Athens, Ohio and has been settled in Flagstaff for nine years.
 
Hailing from North Carolina originally, Johnston attended the University of North Carolina at Chapel Hill for her undergraduate degree, and earned her master’s degree in Sport Psychology at the University of Denver.
 
She is active with the broader NAU Community as a founder of the Athletics & Advising Committee, and having served on the University Budget Advisory Board, the Staff Advisory Council as a voting Councilmember, and the Commission on the Status of Women.