The incumbent has professional autonomy in directing and supervising all clinical activities and staff in relation to the drug treatment of Bureau inmates, including: testing, test interpretation, clinical diagnosis, clinical staffing of inmates with staff and serving as the institution advocate for drug programs with all staff, including Executive staff. Responsible for the provision of highly-skilled drug abuse treatment protocols and supervision of all drug abuse treatment staff, is the expert on offender drug treatment and therefore serves as the drug program resource person to other psychologists, staff members, and operating officials.