Dena Rabinowitz, PhD, ABPP
            Founder / Clinical Director 

Dr. Rabinowitz is the founder and clinical director of CBPNY. She is a NYS licensed psychologist specializing in Cognitive Behavioral Therapy. She is board certified in Cognitive and Behavioral Psychology and is a Diplomate of the Academy of Cognitive Therapy. She treats children, adolescents and adults and specializes in anxiety and OC-spectrum disorders. While she spends most of her time treating patients directly, she also supervises other psychologists in CBT. She has published numerous articles, gives presentations and workshops , and has been featured on TV, radio and print.

More about Dr. Rabinowitz

Dalia Gefen, PhD
            Licensed Psychologist

Dr. Gefen is a NYS licensed psychologist and a Nationally Certified School Psychologist.  A graduate of Barnard College, Columbia University, she holds an MS. Ed in School Psychology and a Ph.D. in Educational Psychology from the City University of New York Graduate Center. Dr. Gefen has extensive experience working with children, adolescents, and adults with a wide range of psychological and emotional difficulties, including depression, anxiety and ADHD. She is also skilled at teaching positive coping strategies for stress management utilizing techniques from Cognitive Behavioral Therapy and Dialectical Behavior Therapy.  Prior to joining CBPNY, Dr. Gefen worked at Columbia University Medical Center (NYSPI), in public and private schools, and in outpatient therapy centers where she has successfully helped her clients reach their treatment goals. In addition to her dedication to clinical work, Dr. Gefen is an adjunct Assistant Professor at NYU and at Hunter College where she teaches graduate courses in counseling and education.

Brooke Ziegelbaum, PsyD
            Licensed Psychologist

Dr. Ziegelbaum is a licensed psychologist with extensive training in evidence based treatments such as Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), and Mindfulness therapies, as well as parent training, for a wide array of psychological and emotional difficulties, including anxiety, depression, O-C spectrum, ADHD, behavioral difficulties, and relationship problems. She is also adept at teaching helpful coping skills to manage difficult situations and stress. Dr. Ziegelbaum earned her Master’s and Doctoral degrees from La Salle University and completed her clinical internship at Albert Einstein College of Medicine/Montefiore Medical Center. She has worked in a variety of settings, including Princeton Behavioral Health, private schools, and outpatient therapy centers where she helped clients reach their treatment goals. In addition to her clinical work, Dr. Ziegelbaum is the director of Columbia University’s Global Mental Health Programs’ Young Professionals Board.  

Maxine Crossman, PsyD
            Licensed Psychologist

Dr. Crossman is a licensed clinical psychologist who is passionate about working with children, adolescents, and adults. She specializes in cognitive-behavioral therapy and other evidence-based treatments for anxiety, obsessive-compulsive spectrum disorders, trauma, and behavioral difficulties. Dr. Crossman promotes positive growth and enduring change through a warm, genuine, and collaborative therapeutic approach.
 
Dr. Crossman obtained her master’s and doctoral degrees in clinical psychology from La Salle University. She completed her doctoral internship at Lehigh University Counseling and Psychological Services. She has received extensive training across a multitude of settings, including outpatient centers, school systems, college counseling centers, and residential treatment centers.

Carly Katz (née Rubenfeld), PsyD
            Licensed Psychologist 

Dr. Rubenfeld is a licensed psychologist with experience in cognitive behavior therapy for treating a range of disorders in children, adolescents and adults including anxiety, trauma, complicated bereavement, depression, and behavioral difficulties. She incorporates her training in evidence-based approaches such as dialectical behavior therapy, trauma-focused cognitive behavioral therapy, parent skills training and motivational interviewing, to help individuals meet their goals. In addition, Dr. Rubenfeld also administers comprehensive psychological and neuropsychological assessments. Dr. Rubenfeld received her doctoral degree in clinical psychology from Nova Southeastern University and completed her clinical internship at the Goodman Psychological Services Center at Albizu University. Dr. Rubenfeld has worked in multiple community outpatient clinics across South Florida including Unicorn Children’s Foundation’s Clinic at the Mailman Segal Center for Human Development, Child and Adolescent Trauma and Stress Program at Nova Southeastern University, and the Child and Adolescent Mood and Treatment Program at University of Miami. While earning her doctoral degree, Dr. Rubenfeld conducted and supported clinical research at Nova Southeastern University and at the Mailman Center for Human Development focusing on individuals with Autism Spectrum Disorder

Elizabeth Clark, PhD
        Licensed Psychologist

​Dr. Clark is a licensed psychologist with training in providing evidence-based treatment to children, adolescents, and adults in a variety of clinical settings. She received her doctorate in Clinical Psychology from Fairleigh Dickinson University and completed her predoctoral internship at Trinitas Regional Medical Center. Dr. Clark has received specialized training in providing CBT, DBT, trauma-informed therapy, and parent-child attachment therapy in individual and group settings. She has a particular interest in delivering interventions for ADHD, anxiety disorders, and behavior management. Dr. Clark has also received training in conducting comprehensive psychoeducational and neuropsychological evaluations. Throughout her doctoral training, she conducted research on the relationship between sleep and mood in children, adolescents, and young adults.

Tali Clements, PsyD
        Licensed Psychologist

Dr. Tali Clements is a licensed psychologist with extensive experience in providing evidence-based interventions to individuals across the lifespan. Dr. Clements received her doctorate in Clinical and School Psychology from Yeshiva University’s Ferkauf Graduate School of Psychology. She completed her post-doctoral fellowship at The Center for Cognitive and Dialectical Behavior Therapy (CCDBT) in New Hyde Park, NY, where she focused on providing comprehensive Dialectical Behavior Therapy (DBT) and Cognitive Behavioral Therapy (CBT) to children, adolescents, and adults struggling with emotional and behavioral dysregulation. She completed her pre-doctoral internship at Trinitas Regional Medical Center and has worked in a variety of clinical settings, including schools, outpatient clinics, and hospitals. She has experience treating a range of difficulties including anxiety, depression, trauma, ADHD, oppositional behavior-related disorders, suicidality, and self-injury. Dr. Clements has received training in DBT as well as various CBT treatments, including Trauma Focused Cognitive Behavioral Therapy (TF-CBT) for PTSD, Prolonged Exposure (PE), exposure therapy for OCD and anxiety disorders, and Parent Management Training (PMT) for childhood behavior problems. Dr. Clements also has experience in conducting comprehensive psychological and neuropsychological evaluations. Currently, Dr. Clements conducts evaluations and provides CBT to children, adolescents, young adults, and families at CBPNY's Westchester office. ​

Alexandra Kohn, PsyD
        Postdoctoral Fellow

Dr. Kohn is a post-doctoral fellow with experience in providing evidence-based treatment to children, adolescents, and adults in outpatient, inpatient, and residential settings. She has clinical experience working with individuals managing anxiety and mood disorders, suicidal ideation, and emotion regulation difficulties. Dr. Kohn received her doctorate in Clinical Psychology from La Salle University and completed her pre-doctoral internship at Foundations Behavioral Health. Throughout her doctoral training, Dr. Kohn provided evidence-based treatments including Cognitive Behavioral Therapy (CBT), Parent-Child Interaction Therapy (PCIT), and interventions informed by Dialectical Behavior Therapy (DBT). Dr. Kohn has further received training in administering psychoeducational and neuropsychological assessments to youth and adults. Dr. Kohn is particularly interested in mindfulness and mindfulness-based interventions, and during her doctoral training she conducted research examining the validity of a mindfulness measure for adolescents.

Bridget Lynn, PhD
        Licensed Psychologist

​Dr. Lynn is a licensed psychologist with extensive experience in providing evidence-based treatment to children, adolescents, and adults dealing with a range of challenges including anxiety, depression, OCD, emotion dysregulation, ADHD, behavioral difficulties, and relationship problems. Dr. Lynn received her doctoral degree in clinical psychology at The Catholic University of America in Washington, DC, and completed her APA-accredited pre-doctoral internship at Fairmount Behavioral Health System in Philadelphia, PA. She completed her postdoctoral fellowship at Cognitive & Behavioral Consultants, where she was intensively trained in comprehensive Dialectical Behavior Therapy (DBT) and Cognitive Behavioral Therapy (CBT). Dr. Lynn approaches her clinical work with warmth and compassion and maintains a commitment to providing collaborative and culturally-responsive care.

Julie Zeiberg, PsyD
        Postdoctoral Fellow

Dr. Zeiberg is a post-doctoral fellow with experience providing evidence-based interventions to individuals across all stages of life. Specializing in cognitive behavioral therapy (CBT), she employs a goal-oriented, solution-focused approach to treatment. Dr. Zeiberg works closely with clients to identify and address maladaptive thought patterns and behaviors, tailoring interventions to foster meaningful, lasting change. Her clinical expertise spans a wide range of conditions, including anxiety, depression, obsessive-compulsive disorder (OCD), body dysmorphic disorder, hoarding disorder, post-traumatic stress disorder (PTSD), adjustment disorders, bipolar disorder, and personality disorders. Dr. Zeiberg earned her doctorate from Hofstra University and completed her pre-doctoral internship at the Bio Behavioral Institute in Great Neck, Long Island. She offers a variety of evidence-based treatments, including Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), Exposure Response Prevention (ERP), and Acceptance and Commitment Therapy (ACT). In addition to therapy, Dr. Zeiberg has experience conducting comprehensive psychological assessments, such as psychoeducational evaluations for both children and adults. Her commitment extends beyond symptom reduction, as she aims to promote emotional well-being and personal growth through individualized, solution-focused care.
​