Restoring hope with dignity

Leadership and Staff

Dr. Haskell has a Ph.D. in Clinical-Community Psychology from the University of South Carolina and is a licensed psychologist in Pennsylvania. Over the last fifteen years, his focus has been on the design, implementation, and direction of child and adult community mental health programs. Dr. Haskell has served as the clinical and administrative director of several publicly-funded mental health programs in Philadelphia and surrounding communities. These programs have been located in traditional clinics as well as in school-based settings. In 2010, he assumed the role of Director of Social and Psychological Services at Mastery Charter Schools, where he was instrumental in creating its social work and counseling/therapy programs. Prior to assuming the role of Executive Director at the Joseph J. Peters Institute, Dr. Haskell served as the Chief Program and Clinical Officer at Northern Children’s Services.

Dr. Haskell is interested in the application of evidence-based practice in community and school settings, the design and implementation of effective prevention programs, and the use of effective performance-based data for program improvement.

Dr. Brandi Stewart received her doctorate degree at Forest Institute of Professional Psychology in Springfield, Missouri. She joined the Joseph J. Peters Institute in 2014. As Director of Clinical Services, Dr. Stewart is responsible for clinical and administrative oversight of all of JJPI’s treatment services, including its child, adolescent, and adult survivor programs, adolescent and adult partial hospitalization programs, and adolescent and adult safety and responsibility programs. Dr. Stewart is a Pennsylvania-licensed psychologist with more than 15 years of experience working with trauma in both survivors of 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 more than 10 years. She has presented on various topics within the sexual violence field, at the national, state, and local levels, including the Juvenile Court Judge's Commission Conference, Pennsylvania Counsel for Children, Youth and Family Services Conference, many local medical colleges and universities, and many local agencies and juvenile justice programs.


Dr. Stewart has been a clinical member of the Association for the Treatment of Sexual Abusers since 2006. Additionally, she is a member of the American Psychologist Association and the Pennsylvania Psychologist Association. She has maintained her own private practice since 2006.

Natalie Dallard joined the Joseph J. Peters Institute in 2011 as Coordinator of Prevention and Training.

Before assuming her current role in Prevention Services, Natalie served as a clinician on the Youth Safety & Responsibility Program and functioned as the program’s court liaison. 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.

Prior to joining the Institute, Natalie spent several years providing therapy and sex offender specific treatment to juveniles. Previously, she worked as 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. She uses 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.

Natalie is trained in Trauma Focused Cognitive Behavioral Therapy and uses a trauma-informed approach to treating issues related to sexual and substance abuse. She is a member of the American Counseling Association and 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).

J.P. West joined the Joseph J. Peters in 2002. She oversees the Institute’sAdult and Adolescent Partial Hospitalization Program for individuals with sexual behavior problems and concomitant mental health or developmental disabilities. Prior to joining the Institute, J.P. 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.

J.P. 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.

She has a B.A. in Social Work from Widener Universityand a master’s degree in Criminal Justice from West Chester University.

Paul Heffner moved to Philadelphia from Sacramento, CA in order to complete his Doctorate in Clinical Social Work from the University of Pennsylvania.  While in Sacramento, Paul held a variety of leadership roles and served on a number of community committees, including serving as Program Director for El Hogar's Regional Support Team, an outpatient mental health facility that provided services to over 1,300 consumers.  While in Philadelphia, Paul has had the opportunity to be an adjunct or guest lecturer for the University of Pennsylvania, Temple University,  and Rutgers University-Camden. In his current role as Coordinator of the Outpatient Safety and Responsibility Programs at the Joseph J. Peters Institute, Paul is responsible for the clinical and administrative oversight of a large team of clinicians, case managers, and administrative support staff. In his spare time, Paul enjoys the company of his family and friends, and running (very slowly) local races.


Dr. Julia Curcio-Alexander joined the Joseph J. Peters Institute in 2013. As Coordinator of Survivor Evaluation Services, Dr. Curcio-Alexander performs evaluations and manages the psychosexual evaluations team, as well as provides training and clinical supervision to doctoral clinical psychology students.

She is a Pennsylvania-licensed psychologist who serves as the Evaluations Coordinator and Supervising Psychologist in Survivor Services. 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.