The prerequisites to become certified in OG include earning a bachelor’s degree from an accredited institution and satisfactory completion of Associate-level requirements; 100 hours minimum of coursework by a Fellow, or by a Fellow in Training as designated by the Fellow; and 200 hours supervised practicum over two academic years minimum, which includes ten entire 4–60 minute lesson observations of the trainee by a Fellow on-site, unedited video or web-based applications.