Clark R. Goldstein, Ph.D., is the founder of Growth Psychology, P.C. He is a Clinical Associate at Adelphi University Derner School of Psychology and 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 worked on a pro bono basis on the Informed Consent Committee of the Services for the Underserved (S:US) in New York. Dr. Goldstein was part of a committee of a group of mental health professionals who reviewed treatment plans for children and adults who were in need of support in making health care decisions. 

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.

Alexandra van Dijk, M.A.

Alexandra van Dijk, M.A., is an advanced doctoral candidate in the Psy.D. clinical psychology program at Yeshiva University. Prior to entering her doctoral program, Alexandria graduated Magna Cum Laude from Stern College in Manhattan. She has experience in treating children, adolescents, and adults with emotional difficulties and behavioral problems. Alexandra works to ensure that her patients are learning effective coping skills to help manage their life’s challenges using cognitive-behavioral therapy (CBT). Previously, Alexandra trained at the Yellin Center for Mind Brain and Education where she used her knowledge of neuropsychology and psychoeducational testing with children and adolescents to help them identify their cognitive and behavioral strengths and weaknesses. She was known for communicating information in a warm and patient friendly manner.  Alexandra worked for several years with the Hebrew Academy of Special Children (HASC) in their camp, residential, and respite settings. While caring for children with special needs children in a residential setting, Alexandra used her experience as a camp counselor to create a safe and fun environment for the children.  Alexandra’s therapeutic work is influenced by her values of consistency and respect for the integrity of the family.

Alexandra is invested in applying evidence-based techniques and is a practitioner of CBT. Alexandra has also completed the advanced CBT track in her doctoral program with four different organizations which has honed Alexandra’s skills in applying evidence-based interventions to individuals dealing with anxiety, depression, obsessive compulsive disorder, post traumatic stress disorder, school difficulties, and behavioral dysregulation. Additionally, Alexandra has received training in child neuropsychology. She prides herself in being able to explain brain functioning to both children and parents to help everyone be on the same page. Alexandra’s research is focused on better understanding how to make the best working relationships for patients and therapists who work together remotely. She is presenting her findings at the North American Chapter of the Society for Psychotherapy Research (NASPR) conference later this year. 

Stephanie Waslin, M.A.

Stephanie Waslin, M.A., is the administrator at Growth Psychology, P.C.. She is currently completing her predoctoral fellowship at the Harvard Medical School affiliated Cambridge Health Alliance. Stephanie works to ensure that her patients are learning effective coping skills to help manage their emotions using cognitive-behavioral therapy (CBT) while also considering conceptualization from an attachment based-perspective. 

She has experience in treating children, adolescents, and young adults with emotional difficulties and behavioral problems. Previously, Stephanie served as a psychology extern at the Shelter Rock Academy, where she used her integrative training to help students cope with stressful life circumstances and improve their symptoms, which have impacted their educational experiences. She also was a clinician at the Derner Center for Psychological Services, where she used her skills to treat clients effectively and compassionately. She is also a former clinical extern at Growth Psychology, P.C. where she used evidence-based approaches to help people overcome anxiety, depression, and behavioral issues. 

Stephanie is committed to the application of evidence-based techniques in clinical practice and is dedicated to research. She was awarded the prestigious George Stricker Fellowship for research and productivity at Adelphi University. She has published papers focusing on parental emotion socialization in early adolescence and on anxiety and academic achievement and academic self-concept in Emotion and Development and Psychopathology. Further, she has presented multiple presentations at the Association for Psychological Sciences (APS) and the Society for Research on Child Development (SRCD). Through her practice and research, Stephanie strives to provide targeted and compassionate treatment while supplying her clients with the knowledge and support to understand and overcome their difficulties.