Clinical and Forensic Psychologist: Alexander C. Duncan, Psy.D., PC

Board Certified in Forensic Psychology by the American Board of Professional Psychology (ABPP)

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Training and Experience

Alexander C. Duncan, Psy.D., ABPP received his doctoral degree in Clinical Psychology from Pacific University in Oregon. In 2007, he was certified as a Diplomate in Forensic Psychology by the American Board of Professional Psychology ( Dr. Duncan is a Fellow of the American Academy of Forensic Psychology, and a member of the American Psychological Association, the American Psychology and Law Society, and the National Register of Health Service Providers in Psychology. Dr. Duncan is also a member of the Oregon Psychological Association (   He is licensed to practice in Oregon and Washington.  Dr. Duncan would be available to perform forensic evaluations in other states.  

As part of his graduate school training, Dr. Duncan completed coursework in the areas of assessment and treatment of mental illness and cognitive disorders. He successfully completed clinical rotations at Oregon State Hospital, Legacy Rehabilitation Services, Good Samaritan Hospital, and at Pacific University’s Psychological Service Center. He also conducted research assessments on those receiving residential, substance abuse treatment on a federally funded study investigating psychopathy. In addition, Dr. Duncan completed his clinical internship at Utah State Hospital, and the Postdoctoral Fellowship in Forensic Psychology at the University of Massachusetts Medical School. Following his fellowship, Dr. Duncan became certified as a Designated Forensic Professional by the Massachusetts Department of Mental Health (

Prior to his return to Oregon in 2008, Dr. Duncan worked for four years as a forensic evaluator in the Massachusetts public sector. The majority of his forensic experience was obtained at Bridgewater State Hospital, during which time he completed over 300 Court-ordered evaluations, including competence to stand trial (i.e., aid and assist evaluations), criminal responsibility (i.e., sanity evaluations), aid-in-sentencing evaluations, and risk assessments. He also conducted evaluations of pretrial and post-adjudication detainees to determine their need for mental health treatment and civil commitment. Dr. Duncan provided expert witness testimony on such cases, especially in those that required involuntary inpatient commitment.

Furthermore, Dr. Duncan has been trained in civil forensic evaluations, such as workers’ compensation, fitness for duty, and personal injury evaluations. He specializes in clinical and cognitive assessments. Dr. Duncan has provided consultation to colleagues, testing and assessment supervision to psychology interns, and he has performed administrative responsibilities. He has given various presentations and trainings on clinical and forensic topics at the state and national level. Dr. Duncan has also published research articles in the areas of malingering, and family risk factors of childhood animal cruelty and adult violence, and he has expertise in the related assessment instruments.