"I made the most difficult decision of my life
I decided to report my son for sexually abusing another child. But our lives are better in many ways. He is getting the help he needs to stop."

—Mother of an abusing teen

Thomas F. Haworth, Ph.D.
Executive Director
As Executive Director, Dr. Haworth is responsible for the overall operation and oversight of JJPI.  Dr. Haworth has been at JJPI since 2001 in various clinical and clinical administrative capacities. He is a licensed and certified school psychologist in Pennsylvania. Dr. Haworth has over twenty five years experience in mental health and addiction treatment, and has over 15 years experience working with trauma, and both victims and perpetrators of sexual violence. Dr. Haworth has been on the faculties of The Medical College of Pennsylvania and the University of Pennsylvania in the past. He has been an Adjunct Faculty member at Rutgers University Camden since 1999 in the Department of Psychology, where he teaches Psychology &The Law (Forensic Psychology), various developmental courses in psychology, Personality Psychology, Social Psychology, and Developmental Psychopathology.  In 2003, Dr. Haworth was appointed to the Sexual Offender Assessment Board in Pennsylvania by Governor Edward Rendell. He has remained as a member of the board since that time. He is a Clinical Member of the Association for the Treatment of Sexual Abusers (ATSA). As a practicing Clinical and Forensic Psychologist, Dr. Haworth has provided consultation and expert testimony for prosecutors, defense attorneys, and consultation to courts throughout the Commonwealth of PA. He has assisted in cases involving allegations or convictions of sexual violence, issues related to PTSD and trauma across the lifespan, sexual victimization, risk assessment, custody, visitation, and parental fitness. Dr. Haworth has presented nationally and has authored or co-authored articles. His current research interests include gender differences in children with sexual behavior problems, the impact of parental PTSD on child recovery from trauma, Internet sexual offending, risk assessment, and outcomes with specialty populations.

Peter Simonsson, LCSW
Director of Trauma Survivor Services
As Director of Survivor Services, Mr. Simonsson is responsible for the child, adolescent and adult outpatient services for survivors of sexual abuse and other forms of interpersonal violence. Mr. Simonsson is a licensed clinical social worker in Pennsylvania. Before joining JJPI, Mr. Simonsson worked at a residential treatment facility in Sweden where he provided treatment to teenagers with emotional difficulties often caused by sexual victimization. After his graduation from New York University, Mr. Simonsson started working with homeless individuals who had a significant history of trauma and sexual victimization on an ACT team (Assertive Community Treatment) at Horizon House in Philadelphia. Mr. Simonsson has presented on conferences, provided trainings on sexual abuse and is on the steering committee for Philadelphia's Project DAWN court. He also regularly attends and provides guidance to Philadelphia's Department of Human Services on issues involving childhood sexual abuse. In addition, Mr. Simonsson is a member of Philadelphia's Forensic Task Force. Mr. Simonsson received his undergraduate degree from Lund University and his Master's degree in Clinical Social work from New York University.

Matthew Schaffer, Psy.D. LPC
Coordinator of Outpatient Safety & Responsibility Programs
As the Coordinator of Safety and Responsibility Programs at Joseph J. Peters Institute, Dr. Schaffer is responsible for the day-to-day operation of outpatient services at the 1211 Chestnut Street location including providing clinical supervision to employees and some student interns. He is a Licensed Professional Counselor in Pennsylvania who has fifteen years clinical experience in a variety of roles including providing sex offender specific evaluation and treatment beginning four years ago. Dr. Schaffer has worked at JJPI for the past two years while continuing to operate part time in private practice, which he has maintained over the past seven years. Dr. Schaffer has been providing clinical supervision to full time staff as well as student interns beginning in 2004 while functioning as the Clinical Supervisor of a drug and alcohol treatment facility. Dr. Schaffer's research interests have been organized around the exploring the impact of compassion fatigue on mental health professionals.

J.P. West, M.S. CFCC
Director of the Safety & Responsibility Partial Hospital Programs
Ms. West oversees JJPI's Adult and Adolescent Partial Hospitalization Program for individuals with sexual behavior problems and concomitant mental health or developmental disabilities. Prior to joining JJPI, Ms West was Director of Forensic Services at CareLink Community Support Services, where she started the STAR Program - a residential and day hospital program for adults who have mental health issues and who have been convicted of a sexual offense, or who have a history of deviate sexual behavior. The STAR program was the first program of its kind in the United States and Canada. Ms West has presented at numerous conferences and trainings throughout the United States and has been a member of the Sexual Offending Assessment Board (Megan's Law) for the Commonwealth of Pennsylvania. Her undergraduate degree is in Social Work and her graduate degree is in Criminal Justice.

Barry Zakireh, Ph.D.
Director of Forensic Evaluation Services
As the Director of the Forensic and Specialized Evaluation Services at the Joseph J. Peters Institute, Dr. Zakireh's duties consist of the supervision and provision of specialized and comprehensive psychological and psychosexual assessments. Dr. Zakireh assists defense attorneys and prosecutors in determining suitable dispositions for individuals at various stages of legal proceedings related to sexual crimes. He also works with DHS as well as private sources related to allegations of sexually inappropriate behavior in the context of custody and family risk assessment. Dr. Zakireh is a licensed psychologist and a certified school psychologist in Pennsylvania. He is also a Clinical and Research Member of the Association for the Treatment of Sexual Abusers (ATSA); a member of the American Psychological Association, and a member of the Psychology-Law Society. He is also a Board Member in the Sexual Offenders Assessment Board in Pennsylvania; and a member of the Medical/Legal Advisory Board on Child Abuse, Office of Pennsylvania Attorney General. He also has extensive experience in providing expert witness testimony for the courts in Pennsylvania and several other states. He has published scholarly and empirical studies in peer-reviewed journals with active research projects and clinical interests center on the development and assessment of sexual aggression; risk assessment procedures; treatment variables and outcomes, child pornography offenses; and general issues in forensic psychology.

Natalie Dallard, M.A.
Coordinator of Prevention & Training
Natalie Dallard, MA is a child and family clinician and the Coordinator of Prevention Services at the Joseph J. Peters Institute (JJPI). A native of Chester, PA, Ms. Dallard holds degrees from The Pennsylvania State University, University Park Campus (B.A., Psychology) and from John Jay College of Criminal Justice in New York City (M.A. Forensic Psychology and Forensic Mental Health Counseling). Prior to returning to Delaware County, Natalie spent several years working a paralegal for small litigation firm in New York City, and externed with the Federal Bureau of Prisons in the Psychology department at the Metropolitan Correction Center-New York. Since returning to the area in 2006, she has used her unique blend of forensic focused training, legal knowledge, and general people skills in treating: adolescents charged with and/or adjudicated for sexual offenses, children and adolescents with sexually reactive behaviors, child and adolescent survivors or sexual abuse, adult substance abusers returning to the community after incarceration, and most recently, adult survivors of sexual abuse. Her work has been conducted in both residential and outpatient settings, and often consists of individual, group, and family therapy. Ms. Dallard is trained in Trauma Focused-CBT and currently uses a trauma-informed approach to treating issues related to sexual and substance abuse. Before assuming her current post in Prevention Services, Ms. Dallard also served as the court liaison for the Youth Safety and Responsibility Program at JJPI. She worked intimately with the family court system, having acted as a representative of the program at court hearings, as well as educating and acting as an intermediary between JJPI therapists, Juvenile Probation, the Department of Human Services, the Defender's Association, the District Attorney's Office, and other outside agencies. Ms. Dallard is a member of the American Counseling Association.

Julie Curcio Alexander, Ph.D.
Coordinator of Survivor Evaluation Services
Dr. Julia Curcio-Alexander is a PA licensed psychologist who serves as the Evaluations Coordinator and Supervising Psychologist in Survivor Services. In her current role, Dr. Curcio-Alexander performs evaluations and manages the psychosexual evaluations team, as well as provides training and clinical supervision to doctoral clinical psychology students. Dr. Curcio-Alexander also serves as an expert witness in child sexual abuse, intimate partner violence and child protective services cases. She has published peer reviewed articles and chapters and provides continuing medical and legal education on child sexual abuse investigations, the impact of trauma on children's behavior and children with disabilities who have been maltreated. Previously, Dr. Curcio-Alexander shared clinical and administrative management of the forensic evaluation service at the Philadelphia Department of Human Services. Dr. Curcio-Alexander completed her graduate training at Villanova University, Temple University and John Jay College, City University of New York.

Brandi Stewart, Psy.D.
Director of Outpatient Safety and Responsibility Programs
As Director of Safety and Responsibility Programs, Dr. Stewart is responsible for the adult and adolescent outpatient services for individuals with sexually abusive/inappropriate behaviors and interpersonal violence. Dr. Stewart is a PA licensed psychologist and has been with JJPI since October of 2014. Dr. Stewart has over 15 years' experience working with trauma, both victims and perpetrators of sexual violence. She has a specialized interest in working with adolescents and young adults who have engaged in sexually abusive behaviors. Dr. Stewart has been supervising both pre and post-doctorate level students for over 10 years. She has presented on various topics within the Sexual Violence field, at both the state and local levels, including the Juvenile Court Judge's Commission Conference (JCJC), Pennsylvania Counsel for Children, Youth and Family Services Conference (PCCYFS), and many local agencies and juvenile justice programs. Dr. Stewart has been a clinical member of the Association for the Treatment of Sexual Abusers (ATSA) since 2006. Additionally, she is a member of the American Psychologist Association (APA) and the Pennsylvania Psychologist Association (PPA). She has also operated her own private practice since 2006. Dr. Stewart received her doctorate degree at Forest Institute of Professional Psychology in Springfield, Missouri.