Program Faculty

OSH-PIP Administration

Dr. Leeper serves as Co-Training Director of OSH-PIP. She is also a Certified Forensic Evaluator and a supervising psychologist in the Forensic Evaluation Service (FES) rotation. She has worked at OSH since June 2014. She received her doctoral degree from Forest Institute of Professional Psychology in 2004. She completed her internship at Westborough State Hospital in Massachusetts, and her post-doctoral training through the University of Massachusetts-Boston and Forensic Health Services. She has been completing court ordered evaluations including competency to stand trial, criminal responsibility, diminished capacity, and sexually violent predator risk assessments as a licensed psychologist since 2005. Her clinical and research interests include the forensic evaluation of competence, responsibility, and diminished capacity; sexual violence risk assessment; deception and malingering in forensic and clinical contexts; and assessment of psychopathology.

​​​​​​​Dr. McCollum serves as Co-Training Director of OSH-PIP. She is also a supervising psychologist in the Competency Restoration Program. Dr. McCollum has worked at OSH since August 2011. She received her doctoral degree from Pacific University and completed her internship and post-doctoral training Florida State Hospital. Her clinical and research interests include forensic evaluation, competency restoration, risk assessment, deception and malingering in forensic and clinical contexts, and assessment of psychopathology.

Dr. Newbill is the Chief of Psychology at OSH. He came to OSH from Robert Wood Johnson Medical School in December of 2011. He graduated from the University of Houston under Gordon Paul, PhD. He is currently a member of the APA’s Task Force on Serious Mental Illness and Severe Emotional Disorders and is the Chair of the Community and State Hospital Psychologists Section of Division 18 in APA. He is interested in schizophrenia, EBPs, and violence. As a child, his mother took him to live with her where she worked: a residential treatment facility housing 30 people who had serious mental illness. He learned how to drive a car on the grounds of a state psychiatric hospital in Hawaii.

Internship Training Committee Members

Dr. Ingram is a supervising psychologist in the Forensic Evaluation Service (FES) and has worked at OSH since August 2016. She is board certified in forensic psychology. She received her doctoral degree from The Chicago School of Professional Psychology in Chicago in 2015 and completed her internship at the Federal Bureau of Prisons in Ft. Worth. She completed a formal post-doctoral forensic fellowship at Central State Hospital in Virginia. She is a Certified Forensic Evaluator and completes competency, responsibility, and diminished capacity evaluations. Her clinical and research interests lie in intersections between forensic assessment, personality assessment, and the severely mentally ill.

Dr. Kubak is a supervising psychologist in the Guilty Except for Insanity (GEI) Program, and is also a supervising psychologist in the Risk Assessment Program. He has worked at OSH since April 2013. He received his Ph.D. from The University of Alabama in 2009. He completed his internship at Mendota Mental Health Institute in Wisconsin, and his forensic post-doctoral training through Simon Frasier University and the Forensic Psychiatric Services Commission in British Columbia. Since licensure in 2010, Dr. Kubak has conducted court ordered and forensic hospital assessments, with specializations in violence risk, sexual violence risk, and psychopathy assessment.  He is a Certified Forensic Evaluator. In addition, Dr. Kubak is a Dialectical Behavior Therapist (DBT) for OSH’s DBT unit program. His clinical and research interests include forensic evaluation, psychopathy, violence and sexual violence risk assessment, developmental forensic issues, deception and malingering, and assessment of psychopathology.

Dr. Phillips is a supervising psychologist in the gero-psychiatric/neurobehavioral Springs program and has worked at OSH since July, 2010. She received her doctoral degree from the California School of Professional Psychology at Alliant International University in San Francisco, CA and completed her internship and post-doctoral training at OSH. Her clinical and research interests include adult development and aging; geriatric mental and behavioral health; and assessment of neurocognitive functioning, decision-making, and functional capacity. 

Dr. Lagattuta is a supervising psychologist in the Risk Assessment Program. He has been a Risk Assessment Specialist at OSH for the past 3 years and devotes his time to conducting and reviewing risk assessments, and providing consultation, training, and assisting in the development of hospital policies and protocols related to risk. For the prior six years he worked as a psychologist on both Incompetent to Proceed and Guilty Except for Insanity (GEI) units. He received his PhD in clinical psychology from Pacific Graduate School of Psychology in 2007 and his early interests included psychodynamic psychotherapy, substance abuse, Attachment Theory, and working with SPMI populations. More recently his focus has been on the assessment and management of violence risk and psychopathy.

​​​​​​​Dr. Orf is a supervising psychologist for interns co-leading Practicum Group Supervision. He is also a member of the Forensic Evaluation Service and is working toward becoming a Certified Forensic Examiner. He completed his internship at OSH in 2017 and his residency in 2018 in the Guilty Except for Insanity (GEI) program/Behavioral Psychology Services. He received his doctoral degree from the Arizona School of Professional Psychology. His clinical and research interests include evaluation and treatment of substance use disorders, forensic assessment, and cognitive-behavioral therapies.

Dr. Porter is a supervising psychologist in the DBT Program, and has worked at OSH since September 2014. She received her doctoral degree from La Salle University in Philadelphia and completed her internship at Fulton State Hospital with rotations that included Dialectical Behavior Therapy and assessment and treatment of sexually violent predators. Her clinical and research interests include Dialectical Behavior Therapy, treatment of sexual offenders, and treatment of suicide, non-suicidal self-injury, and aggression.

Dr. Rideout is a supervising psychologist in the Competency Restoration Program, and has worked at OSH since 2013. She is also a Certified Forensic Evaluator. Dr. Rideout received her doctoral degree from Pacific University. She completed her internship training at the Vacaville Psychiatric Program within the California Department of State Hospitals, and completed her post-doctoral training at Georgia Regents University/East Central Regional Hospital. Her clinical and research interests include forensic evaluation, competency restoration, supervision, and  assessment of psychopathology.

Dr. Snyder is a supervising psychologist in Guilty Except for Insanity (GEI) Program, and provides consultation across units as a part of the Behavioral Psychology Services team. She has worked at OSH since 2013. She received her doctoral degree from the University of Kansas in 1998. She completed her pre-doctoral internship at a joint program between the University of North Carolina at Chapel Hill Medical School and the Federal Bureau of Prisons, and completed a post-doctoral fellowship on the Pre-trial Evaluation Unit at Dorothea Dix Hospital in Raleigh, North Carolina. Before coming to OSH, she was the Chief Psychologist on both the Adult Admissions Unit and the Forensic Services Unit at Central Regional Hospital in Butner, North Carolina. Her clinical and research interests include assessment and treatment of severe psychopathology, particularly schizophrenia; assessment and restoration of competency to stand trial; and assessment and treatment of those found not guilty by reason of insanity.

Dr. Thomas is the supervising psychologist in the Neuropsychology Assessment Rotation. He came to the hospital in 2014 after completing residency and working as a staff psychologist at Napa State Hospital.  Dr. Thomas completed his graduate education at Fuller Graduate School of Psychology in Pasadena, California, where he emphasized neuropsychology, geropsychology and psychodynamic psychotherapy.  He is especially interested in forensic neuropsychological assessment, personality and psychodiagnostic assessment, the development of strategies to improve cognitive functioning in persons with psychiatric and neurological considitions, and adapting psychoanalytic therory and interventions to the treatment of persons with severe psychiatric disorders in a hospital setting.