About

goldstein_horizontal pic

Clark R. Goldstein, Ph.D., is the founder of Growth Psychology, P.C. He is a former Clinical Assistant Professor of Child and Adolescent Psychiatry at the NYU School of Medicine at the Child Study Center. He specializes in the evaluation and treatment of anxiety and mood disorders in children, teens, and adults. Dr. Goldstein is also experienced in treating children with behavioral problems, video game and computer misuse, high functioning Autism Spectrum Disorder, ADHD, Tic and Tourette’s Disorder and trichotillomania. He has experience helping people work to overcome separation anxiety disorder, panic disorder, agoraphobia, social anxiety disorder, obsessive compulsive disorder, generalized anxiety disorder, post-traumatic stress disorder, attention deficit hyperactivity disorder, oppositional defiant disorder, impulse control disorders, depressive disorders, and mild social skills deficits. He co-led a PEERS group, which is an evidence based group designed to help improve the social lives of teens who are on the Autism Spectrum.

Dr. Goldstein earned his Doctorate of Philosophy in psychology and a master’s degree in psychology at Boston University, where he was the recipient of a prestigious Presidential Fellowship.  He earned his bachelor’s degree in psychology at the University of Virginia, where he graduated with high distinction. He was awarded the Anita Saltz Postdoctoral Fellowship for two years at the NYU Medical Center Child Study Center. He trained extensively at The Child and Adolescent Fear and Anxiety Treatment Program at Dr. David Barlow’s Center for Anxiety and Related Disorders (CARD) at Boston University treating children, teenagers, and adults, and he brings additional experiences from the May Institute, where he completed his predoctoral internship. He has also helped children,adults, and families at the Harvard affiliated Cambridge Hospital and at the Boston Medical Center. He was also involved with the supervision of advanced doctoral students and assisted in the adaptation of Parent-Child Interaction Therapy (PCIT) for children with Separation Anxiety Disorder (SAD). Dr. Goldstein taught a class in psychopathology while at Boston University.

Dr. Goldstein has co-authored articles for several journals, including Child and Behavior Therapy and the Journal of Psychiatric Practice, and he has co-authored chapters in the Oxford Handbook of Anxiety and Related Disorders and the Handbook of Child and Adolescent Anxiety Disorders.  He is a former co-editor of the Child and Adolescent Anxiety Special Interest Group Newsletter of the Association for Cognitive and Behavioral Therapies (ABCT) and serves as an Associate Editor of the journal Behavior Therapist.

Previously, Dr. Goldstein served as a clinical psychologist at the Child Mind Institute where he worked with children, adults, and their families working to overcome anxiety, depression, and behavioral issues. His responsibilities included the training and supervision of advanced doctoral students and postdoctoral fellows. He was actively involved in the Intensive Treatment Program which focused on intensive treatment for those with Obsessive Compulsive Disorder (OCD) as well as the supervision of advanced doctoral students. Dr. Goldstein also ran support groups for family members of people struggling with OCD. He is the former Leader of the Child and Adolescent Anxiety Special Interest Group of ABCT.

Dr. Goldstein has presented to teachers, parents, and special education associations at schools in Manhattan, Queens, the Bronx, and Long Island. He also has been a speaker at various corporations, including Viacom, Credit Suisse, and Cleary, Gottlieb, Steen, and Hamilton, LLP.  He has presented at New York University Medical Center’s Psychiatry’s Grand Rounds as well as multiple times at the Grand Rounds of Rockland County’s Children Psychiatric Center. He was the invited keynote speaker at the New Hampshire Infant Mental Health Alliance conference in 2017.  He has been a guest several times on Sirius Radio’s Doctor Radio channel and also been a guest co-host. He has presented on topics including identifying and helping anxious children and students, reducing conflict with children, helping siblings get along, helping identify and cope with executive functioning challenges, and social media and video game use and misuse. If you would like Dr. Goldstein to speak at your business, school, SEPTA, or other organization, please contact him here.


Stephanie Waslin, M.A.


Stephanie Waslin, M.A., is an advanced doctoral student in the Ph.D. clinical psychology program at Adelphi University. She has experience in treating adolescents and young adults with emotional difficulties and behavioral problems. Stephanie works to ensure that her patients are learning effective coping skills to help manage their negative emotions through the use of cognitive-behavioral therapy (CBT). Previously, Stephanie served as an extern at the Shelter Rock Academy, where she used her integrative training to help students deal with stressful life circumstances and improve their symptoms, which have impacted their educational experiences. She also has experience at the Derner Center for Psychological Services, where she utilizes her skills to treat clients effectively and compassionately.

Stephanie believes in the application of evidence based techniques in clinical practice and is dedicated to research. She has presented research at the Society for Research on Child Development (SRCD), investigating the association of parental emotion socialization strategies and child adjustment, parent-child attachment security, and maternal depression. In addition, she has co-authored projects presented at the Association for Psychological Science (APS) regarding empathy and collaborative decision making in the parent child relationship and investigating romantic attachment as it relates to emotion socialization strategies of mothers and fathers. Stephanie also has manuscripts in preparation, including one focusing on anxiety and academic achievement and academic self-concept, and another about parental emotion socialization in middle childhood. Through her practice and research, Stephanie heavily values the integrative process of understanding the individual within their larger system of family and society. She strives to provide targeted and compassionate treatment while supplying her clients with the knowledge and support to understand and overcome their difficulties.