Our Staff2019-08-28T17:32:27-04:00

Meet Our Team

Nancy Distel, Ph.D.



Dr. Nancy Distel is a licensed psychologist and founding Partner of Positive Developments. She uses both short- and long-term therapy approaches to treat adults, couples, families, and children of all ages. Her passion is to help people promote their own emotional growth and to learn how to fully engage in their relationships and the world. Dr. Distel specializes in the treatment of a wide range of anxiety disorders, depression, interpersonal difficulties, and phase of life/adjustment challenges. She integrates various therapeutic techniques so as to provide a tailored treatment for each client, including cognitive-behavioral, family systems, mindfulness, and insight-oriented approaches. Dr. Distel earned her undergraduate degree from the University of Michigan and her doctorate from Long Island University-Brooklyn Campus. She interned at Kings County Hospital in Brooklyn and continued as an employee at the SUNY Downstate Anxiety Disorders Clinic. She completed a post-doctoral fellowship in marital and family therapy at the New York Presbyterian Hospital-Cornell Medical Center. Dr. Distel worked in clinics throughout the New York area and has been in private practice in Millburn, NJ since 2001. She taught psychology as an Adjunct Faculty member at CUNY-Brooklyn College and continues to be dedicated to teaching others, as a supervising psychologist and through community education forums.

NJ License 3927

Elena Jeffries, Ph.D.



Dr. Elena Jeffries is a co-founder of Positive Developments and licensed psychologist with specialties in child and adolescent therapy and parenting techniques. She earned her undergraduate degree from Cornell University and doctorate from New York University, and then completed her internship at New York Presbyterian Hospital-Columbia Medical Center. Her past experience includes private practice and hospital positions, where she worked with children of all ages in various treatment modalities and taught and supervised trainees. In her current practice, Dr. Jeffries treats children, teens, and young adults using a goal-oriented, collaborative approach that integrates cognitive-behavioral and systems techniques. She specializes in the treatment of anxiety disorders, behavioral and anger management difficulties, depression/problems in mood, and social skills issues. In her work with parents, Dr. Jeffries focuses on evidence-based positive discipline strategies to enhance the parent-child relationship, empower parents, and encourage communication and cooperation at home. In addition to her clinical practice, Dr. Jeffries enjoys supervising colleagues and presenting to parents and teachers in the community.

NJ License 4120, NY License 015487

Nancy Corral Ziebert, Ph.D.



Dr. Nancy Corral Ziebert is a licensed psychologist with specialties in child clinical psychology and neuropsychological assessment. She earned her undergraduate and doctoral degrees from New York University. She also received extensive training in neuropsychological assessment and psychotherapy at Bellevue Hospital Center and New York Presbyterian Hospital-Columbia Medical Center, where she completed a one-year internship and then worked as a staff and supervising psychologist for several years. Dr. Ziebert was a member of the Adjunct Faculty in the Department of Psychiatry at Columbia University-New York Presbyterian Hospital, where she taught psychology interns and psychiatry residents. She continues to teach and supervise psychologists at various stages of their professional development. Dr. Ziebert is a founding partner of Positive Developments and her current practice focuses on the psychoeducational and neuropsychological assessment of children, adolescents, and young adults. She also provides individual psychotherapy for children of all ages and young adults presenting with a variety of emotional, behavioral, and interpersonal difficulties. In addition to her private practice, Dr. Ziebert is the consulting psychologist at a local private school.

NJ License 4122, NY License 015409

Meredith Carleton, Psy.D., ATR



Dr. Carleton earned a bachelor’s degree in Psychology from Lehigh University, and a master’s degree in Art Therapy from Pratt Institute. She then earned a master’s degree in School Psychology and her doctorate in Clinical & School Psychology from the Ferkauf Graduate School of Psychology of Yeshiva University. Dr. Carleton completed clinical externships at New York Center for Children and St. Luke’s-Roosevelt Hospital Center’s Child and Family Institute, and her internship at Jewish Child Care Association’s Pleasantville Cottage Schools. She specializes in treating individuals coping with anxiety, depression, trauma, LGBT issues, medical illness and bereavement. Additionally, Dr. Carleton has worked extensively with youth experiencing behavioral difficulties, ADHD, and learning disabilities, addressing the impact of these issues on interpersonal relationships and academic performance. Dr. Carleton is a New Jersey certified School Psychologist with experience working on Child Study Teams, and is also a board-certified Art Therapist. Dr. Carleton integrates a variety of therapeutic modalities in treatment and encourages her clients to express themselves both verbally and creatively.

NJ License 5669

Meredith Cregg-Wedmore, Psy.D.



Dr. Meredith Cregg-Wedmore earned a bachelor’s degree in Psychology and a master’s degree in Counseling from The College of New Jersey. She earned her doctorate from the Graduate School of Applied and Professional Psychology at Rutgers University. Dr. Cregg-Wedmore is a New Jersey certified school psychologist and has provided a range of services in schools while working with Child Study Teams. Prior to her doctoral training, Dr. Cregg-Wedmore acquired valuable experience in several educational and non-profit settings, and completed one year of service as an AmeriCorps Promise Fellow. During her doctoral work, she performed externships through the Elizabeth Board of Education and the Center for Social and Character Development at Rutgers. Her internship was completed through the Hazlet Public Schools where she refined skills in psychological evaluations, functional behavioral assessments, social skills training and individual counseling. Dr. Cregg-Wedmore was awarded a U.S. Department of Education Preparation of Leadership Personnel Training Grant Fellowship in Psychological and Systems Support for Learning. She was also the recipient of the 2013 NJPA Foundation Winifred Starbuck Scott School Psychologist Training Award. Dr. Cregg-Wedmore is dedicated to improving outcomes for children and families and has served as a board member of the New Jersey Division for Early Childhood since 2006.

Sarah Hassan, Ph.D.



Dr. Sarah Hassan specializes in the evaluation and treatment of children, adolescents, and their families presenting with a range of emotional, social, and/or behavioral difficulties including anxiety and trauma, depression, low self-esteem, disruptive behaviors, and social skills difficulties. She has treated children and adults in a variety of settings, including outpatient clinics, schools, hospitals, and college counseling centers. Dr. Hassan has a particular interest in treating childhood trauma and has specialized training in Trauma Focused Cognitive Behavioral Therapy (TF-CBT). She enjoys collaborating with parents and is skilled in Parent Child Interaction Therapy (PCIT). She earned a bachelor’s degree from Hunter College and a doctorate in Clinical Psychology from Bowling Green State University in Ohio. She completed her clinical internship at the University of California Davis Children’s Hospital and a post-doctoral fellowship at Hackensack Meridian Health. Dr. Hassan’s approach to treatment is informed by cognitive-behavioral therapy, parenting interventions, and mindfulness perspectives.

NJ Temporary Permit #173-082

Parin P. Kamdar, Psy.D.



Dr. Parin Kamdar is a licensed psychologist whose interventions are drawn from cognitive behavioral (CBT), dialectical behavioral (DBT), psychodynamic, and family systems approaches. She holds an undergraduate degree from the University of Delaware and doctorate in Clinical Psychology, with a concentration in Psychological Assessment, from Chestnut Hill College in Philadelphia. Dr. Kamdar has expertise in treating anxiety, depression, trauma, behavioral issues, ADHD and related learning disabilities, developmental disorders, and family conflict. She also has extensive training and experience working with eating disorders, in both residential and outpatient settings, through internship and fellowship placements at The Renfrew Center of Philadelphia and Florida. In addition, Dr. Kamdar is well versed in the administration and interpretation of comprehensive psychological assessments. Dr. Kamdar works with children, adolescents, and adults, helping to optimize inherent strengths to better cope with the demands of their academic, social, professional, and family contexts.

NJ License 5437

Brian Kaufman, Psy.D.



Dr. Kaufman is a licensed psychologist who specializes in cognitive behavioral therapy and works with children, adolescents and adults through individual, family, and group therapy. He received his undergraduate degree from Hofstra University, achieved his Masters of Science Degree and Advanced Certificate in School Psychology from Brooklyn College, and earned his doctorate from the Philadelphia College of Osteopathic Medicine. He completed his clinical internship training in the Wellness Management Division of Trinitas Hospital. Dr. Kaufman has provided clinical services in a number of treatment facilities including St. Mary’s Healthcare System for Children and Bergen County Regional Medical Center. He was actively involved in improving services within an internationally recognized program of palliative care for infants, children, and adolescents with life threatening or terminal illnesses. Dr. Kaufman has also worked with children and families in private practice and currently works as a school psychologist in Union, NJ. His specialties include Attention-Deficit/Hyperactivity Disorder (ADHD), anxiety disorders, disruptive behavior disorders, depression, social skills, relationship issues, autism spectrum disorders, and parent coaching. He has led a variety of social skills and parent training groups across settings. Dr. Kaufman currently serves as a field supervisor for doctoral level clinical/school students at local universities. Dr. Kaufman’s experiences in private practice and the schools have provided him with an extensive background in psychological assessment, learning disabilities, and interventions for many social-emotional concerns.

NJ License 5141, NY License 020007

Kristin L.H. McGue, Ph.D.



Dr. Kristin L.H. McGue is a licensed psychologist who has dedicated her practice to children, adolescents, and their families. She earned her undergraduate degree in Psychology from San Francisco State University and went on to earn her master’s and doctoral degrees in Clinical Psychology from Howard University. Dr. McGue completed her internship and two years of postdoctoral fellowship with the Kennedy Krieger Institute/Johns Hopkins University School of Medicine. After completing her fellowship, she joined the staff and directed the Postdoctoral Fellowship and one of the Institute’s outpatient clinics. Dr. McGue has extensive experience treating a range of mental health disorders and behavioral concerns including depression/mood disorders, self-harm behaviors, anxiety, posttraumatic stress reactions, and ADHD. She further works with clients and their families to address the parent-child relationship, noncompliance, interpersonal conflict, social skills, low self-esteem, underachievement, problem school behavior, and management of life stressors. Dr. McGue’s therapeutic approach incorporates techniques from Acceptance and Commitment Therapy (ACT), Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), and strengths-based, family-centered models to support effective communication and adaptive behavior. Dr. McGue works collaboratively with clients to use individual and family strengths to make desired change, build resilience, and live a more fulfilling life.

NJ License 5892

Jason Rodker, Psy.D.



Dr. Jason Rodker earned his undergraduate degree, as well as a Masters degree in Counseling Psychology, from Rutgers University. During his training he worked in a therapeutic school for children and adolescents at the University of Medicine and Dentistry of NJ. While earning his doctorate in Child-Clinical/School Psychology at Pace University, he continued his training by working with adolescents and young adults dealing with anxiety and depression, adjustment to life transitions, gender and sexual identity issues, and relationship difficulties. During his internship and fellowship training at Youth Consultation Service, Dr. Rodker further developed specialties in child and play therapy. He worked with children of all ages and with a variety of presenting issues, including disruptive behaviors, mood dysregulation, adjustment difficulties, attachment issues, and trauma. As a certified school psychologist, Dr. Rodker has worked on Child Study Teams in traditional and alternative school environments. In addition, he is skilled at psychological assessment, and conducts psycho-educational as well as clinical evaluations of cognitive and social-emotional functioning. Dr. Rodker provides individual therapy and includes family members in order to strengthen parent-child relationships. His approach to therapy is informed by humanistic, psychodynamic, and mindfulness perspectives. He also incorporates directive and educational techniques, and he carefully attends to the developmental and relational issues that contribute to the presenting concerns of his clients.

NJ License 5852

Stacie Shivers, Psy.D.



Dr. Stacie Shivers earned a bachelor’s degree from Rutgers University, and a doctorate in Clinical & School Psychology from Yeshiva University’s Ferkauf Graduate School. She has practiced in a variety of clinical settings including Youth Consultation Services, Montefiore Medical Center, University Hospital, and as an intern at the Rutgers University Behavioral Health Care (UBHC), where she is currently employed as a Mental Health Clinician and consultant in their school-based program. She works individually with children, collaborates with parents, and offers strategies to improve parent-child and sibling relationships. She is also skilled in psychological assessments. Dr. Shivers treats children and adolescents presenting with depression, anxiety and trauma, disruptive behaviors, ADHD, learning disabilities, attachment issues, and social skills difficulties. She uses an integrative approach to treatment, tailoring therapeutic services to the specific developmental and interpersonal needs of each youth and family. Specialized treatment techniques include Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), psychodynamic-oriented techniques, and play therapy. Dr. Shivers also draws from her experience as a professional dancer and dance educator, incorporating movement and dance in treatment to increase self-awareness and creativity.

NJ License 5836, NY License 022000

Michele Wagreich, Ph.D.

Senior Associate


Dr. Michele Wagreich is a licensed psychologist who specializes in child and adolescent evaluation and treatment. She applies cognitive-behavioral and parenting interventions to her treatment of a range of presenting problems, including anxiety and trauma, depression, behavioral difficulties, sleep disorders, family conflict, and anger management. She earned her undergraduate degree from Cornell University and her doctorate in Clinical Psychology from Long Island University. Dr. Wagreich worked for 12 years at Jewish Board of Family and Children’s Services, prior to joining Positive Developments. There she assessed and treated children and families in outpatient and residential settings. She was a supervisor and educator of pre-doctoral and post-doctoral psychology trainees and led monthly seminars for parents. Dr. Wagreich has a particular interest in treating issues related to childhood loss and traumatic experiences and has undergone advanced training in Trauma Focused Cognitive Behavioral Therapy (TF-CBT).

NJ License 5264, NY License 019603

Caryl Distel, M.A.

Intake Coordinator

Ms. Caryl Distel earned an undergraduate degree from Montclair State University and a Master’s in Health Advocacy from Sarah Lawrence College. She was at the forefront of the field of Patient Advocacy, beginning with her work as a Patient Representative Coordinator at Memorial Sloan Kettering Cancer Center in NYC. She served for many years as the Administrative Director of Patient Rights and Biomedical Ethics at JFK Health Systems in Edison, NJ. Ms. Distel was a critical and compassionate resource to patients and their families. She advocated for their rights and provided education, counsel, and support at the end of life. She held additional leadership positions as Assistant Director of Community Affairs of Raritan Valley Hospital and President of the NJ Society of Patient Representatives. Ms. Distel currently contributes her time, passion, and leadership to the Brandeis National Committee, a community-centered organization committed to philanthropy and education.