About

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 former 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.


Serah Narine, M.A

Serah Narine, M.A., is an advanced doctoral candidate in St. John’s University’s clinical psychology Ph.D. program. She has experience in treating individuals across the lifespan. Serah actively works to implement evidence-based interventions through the use of cognitive-behavioral therapy (CBT). Previously, Serah served as a clinical research coordinator at Stony Brook Medicine, studying acute suicidality and depression in adults receiving inpatient care. She also has experience at the Center for Psychological Services at St. John’s University and at Maimonides Medical Center’s Psychiatry Department in Brooklyn, NY, where she utilizes her skills to treat children and adolescents effectively and compassionately. Serah has been selected for an externship at Sagamore Children’s Psychiatric Center in Dix Hills, NY, an intensive, residential inpatient facility for children and adolescents. 

Serah is invested in evidence-based interventions in her research pursuits. Her primary research interests are in pain processing, parenting, and executive functioning. She has published research on this topic in peer-reviewed journals, including Neuroscience & Biobehavioral Reviews and Biological Psychiatry. Serah also facilitates parenting workshops for the community through the Child and Family Research Group at St. John’s University. This program targets common problem behaviors exhibited in young children by working with parents to implement skills and psychoeducation to reduce these behaviors. Through practice and research, Serah heavily values the cognitive-behavioral process of understanding the goals of each client and the ecological approach needed to facilitate change. 


Stephanie Waslin, Ph.D. 

Stephanie Waslin, Ph.D., is the administrator at Growth Psychology, P.C.. She is continuing her training at Boston University’s Center for Anxiety and Related Disorders (CARD) Child & Adolescent clinic as a postdoctoral fellow. 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. Stephanie earned her Doctorate of Philosophy, master’s degree, and bachelor’s degree from Adelphi University. She has trained at the Harvard Medical School affiliated Cambridge Health Alliance treating both children and adults experiencing anxiety, depression and trauma symptoms. She co-led the Coping Cat Group for children in middle childhood experiencing anxiety. Further, Stephanie trained at academic and outpatient settings, including the Shelter Rock Academy and the Derner Center for Psychological Services, where she used her integrative skills to treat clients effectively and compassionately to effectively cope with life stressors. 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, empathy, academic achievement and academic self-concept in Development and Psychopathology, Emotion, and the Journal of Anxiety Disorders. 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 challenges.