Robert H. Joss, Ph.D., is a supervising Designated Forensic Psychologist / Forensic Mental Health Supervisor who provides expert testimony in Juvenile, District, Superior, and Probate Courts. As a Qualified Examiner / Retained Expert, he performs evaluations regarding sexual dangerousness. He testifies in probable cause hearings, renders opinions regarding commitment, competency, criminal responsibility, aid in sentencing, and guardianship. He has also testified before the Sex Offender Registry Board. Dr. Joss is Professor of Psychology at Gordon College and spent more than a decade as psychologist for the Lynn District Court. He performs fitness for duty evaluations, is trained in alternative dispute resolution, and serves as Guardian ad litem and Parent Coordinator for the Probate Courts.
curriculum vita
email: rhjoss@aol.com

Frederic Krell, Ph.D., is an experienced psychologist who provides expert testimony in Probate, Juvenile, District, and Superior Court matters. He has performed statutory evaluations as a Designated Forensic Psychologist and served as a Mentor for the Certified Juvenile Court Clinician training program. He serves as Guardian ad litem and Parent Coordinator for the Probate Courts. Dr. Krell has developed and administered residential treatment programs and inpatient psychiatry services for children and adolescents. He consults to public and private schools. As a member of the Community Access Board at the Massachusetts Treatment Center, he provided evaluations and testimony regarding sexual dangerousness. Dr. Krell also provides services in Alternative Dispute Resolution.
curriculum vita
email: fkrell@pcsforensic.com

Mark S. Schaefer, Ph.D., is a supervising Designated Forensic Psychologist / Forensic Mental Health Supervisor who provides expert testimony in Juvenile, District, Superior, and Probate Courts. He has extensive experience consulting to police and fire departments for prescreening of candidates for employment. He also assesses "fitness for duty" on behalf of private corporations, municipalities, and schools. As a Qualified Examiner / Retained Expert, he performs evaluations regarding sexual dangerousness. He testifies in probable cause hearings, renders opinions regarding commitment, competency, criminal responsibility, and aid in sentencing. He frequently serves as Guardian ad litem and Parent Coordinator for the Probate Courts.
curriculum vita
email: drmsschaefer@aol.com

Christine Schnyder Pierce, Ph.D., is a Designated Forensic Psychologist who provides expert testimony in Juvenile, District, Superior, and Probate Courts. She renders opinions on civil psychiatric commitment, various competencies, criminal responsibility, aid in sentencing, and guardianship. As a Qualified Examiner / Retained Expert, she performs evaluations regarding sexual dangerousness and has testified before the Sex Offender Registry Board. Dr. Pierce has extensive training and experience in forensic psychology, including an internship with the Federal Bureau of Prisons and a postdoctoral fellowship at UMass Medical School.
curriculum vita
email: cspierce@pcsforensic.com

Jeff D. Stein, Ph.D., is a Designated Forensic Psychologist who provides expert testimony to the Probate, Juvenile, and District Courts. He routinely serves as a Guardian ad Litem for several Probate Courts including Essex, Suffolk, Middlesex and Worcester counties. He conducts psychological evaluations of adults, juveniles, and families, and he renders opinions regarding competency, criminal responsibility, aid in sentencing, parental fitness and guardianship. Dr. Stein also consults to Special Education departments and conducts evaluations of prospective police and fire personnel. He provides services in Worcester as well as our Salem office. Dr. Stein completed a post-doctoral fellowship through Harvard Medical School and held faculty appointments at UMass Medical School and Tufts Medical School before joining PCS.
curriculum vita
email: jstein@pcsforensic.com