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Joel L. Becker, Ph.D.

Clinical Director

Dr. Joel L. Becker received his doctorate in 1977 from the University of Georgia. He did his internship at the Massachusetts Mental Health Center where he was a Clinical Fellow in Psychology in the Department of Psychiatry at Harvard Medical School. Dr. Becker founded Behavior Associates and The Boston Institute for Cognitive Behavior Therapy in the late 1970’s. These were the early years of Cognitive-Behavior Therapy and Dr. Becker studied and interacted with the early leaders and pioneers in the field (e.g. Aaron Beck, Albert Ellis, B.F. Skinner and others).

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Jayson L. Mystkowski, Ph.D.

Associate Clinical Director

Dr. Jayson L. Mystkowski received his Ph.D. in Clinical Psychology from UCLA and his B.A. in Psychology from Northwestern University. At UCLA, where he is currently an Assistant Clinical Professor, Dr. Mystkowski acquired a strong foundation in the application of behavior theories to the understanding and treatment of anxiety disorders, and has published several papers on this topic. His clinical training is diverse, with time spent on anxiety treatment studies at UCLA.

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Pamela D. Elfenbaum, Ph.D., M.P.H.

Dr. Pamela Elfenbaum received her Ph.D. in Counseling Psychology from USC, her Masters in Public Health from UCLA, and her B.A. in Psychology from UC Berkeley. Dr. Elfenbaum completed her internship at UCLA Counseling and Psychological Services and a post-doctoral fellowship at Loyola Marymount University. Dr. Elfenbaum also received specialized training in Mind/Body Medicine at Harvard Medical School, and also completed couples training through the Gottman Institute.


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Melissa M. Magaro, Ph.D.

Dr. Magaro received her B.A. from the Clark Honors College at the University of Oregon.  Dr. Magaro completed Ph.D. in clinical psychology, in 2008, at the University of California, Los Angeles (UCLA) where she worked with Dr. John Weisz and Dr. Michelle Craske receiving comprehensive training in the assessment and treatment of emotional disorders.  She completed a one year APA-accredited internship at UCLA Counseling and Psychological Services (CAPS) and went on to complete a one year post-doctoral fellowship.

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Denica Gordon-Mandel, Registered Psychological Assistant, M.A., MSW

Denica Gordon-Mandel received her Masters in Psychology from Pepperdine University, and her Masters in Social Work from USC. Ms Gordon-Mandel area of specialty are in the transitional periods of women’s lives such as pregnancy, care-giving issues, menopause, and interpersonal trauma. She also treats adolescents and adults in the areas of anxiety, depression, stress management, panic attacks and various phobias.

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Karen Muñoz, Ph.D.

Dr. Karen Muñoz received her Ph.D. in Clinical and Developmental Psychology with a certificate in Cognitive Neuroscience from the University of Pittsburgh, and she received her B.A. in Psychology with a concentration in Neural and Behavioral Sciences from Haverford College. She completed her pre-doctoral internship at New York Presbyterian Hospital/Weill-Cornell Medical Center, where she provided cognitive-behavioral therapy (CBT) and psychodynamic therapy to clients with a range of presenting difficulties. She then completed her postdoctoral fellowship at the American Institute for Cognitive Therapy in New York, where she received additional training in CBT, dialectical behavior therapy (DBT), compassion-focused therapy (CFT), and mindfulness-based therapies. 

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Lauren Shapiro, Ph.D.

Dr. Shapiro earned her Ph.D. in clinical psychology from USC in 2014 and her B.A. in Psychology and French from Northwestern University in 2004.  At USC, Dr. Shapiro worked with Dr. Gayla Margolin, studying family interaction, family aggression, and youth development.  During her graduate career, she was awarded a grant by the National Institutes of Mental Health (NIMH), and received thorough training in assessment and evidence-based treatments, including Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), and family therapy.  She completed an APA-accredited internship at Pacific Clinics, where she worked with children, adolescents, and adults using a range of individual, group, and family evidence-based treatments for anxiety, mood, and behavioral disorders. 

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Megan L. Wagner, Ph.d., BCB

Dr. Megan L. Wagner completed her Bachelor’s degree in Psychology with a concentration in Biological & Evolutionary Sciences from the Schreyer Honors College at Penn State University in 2005. Dr. Wagner received her Ph.D. in Clinical Psychology in 2011 from George Mason University in Fairfax, VA. As part of her doctoral training, Dr. Wagner completed a one-year, APA-accredited internship at UCLA Counseling and Psychological Services (CAPS) where she trained in cognitive-behavioral therapy (CBT), Acceptance and Commitment Therapy (ACT), and psychodynamic therapy, and focused on treating anxiety and mood disorders as well as attention deficit/hyperactivity disorder (ADHD) and obsessive-compulsive disorder (OCD).

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