The Office of Graduate & Professional Studies (OGPS) is the primary advocate of graduate education at Northern Arizona University, and is committed to supporting and advancing our outstanding master’s, doctoral, and professional programs at Flagstaff, online, and state-wide campuses. As the primary advocate of graduate education at Northern Arizona University, the Office of Graduate & Professional Studies (OGPS) is committed to supporting and advancing our outstanding master’s, doctoral, and professional programs at Flagstaff, online, and state-wide campuses.