John Guerry, Ph.D., is a licensed clinical psychologist specializing in the evidence-based evaluation and treatment of anxiety, OCD, and related conditions. He has a particular interest and expertise in working with adolescents and young adults. Prior to joining HARBOR, he served both as a psychologist in the Anxiety Behaviors Clinic at the Children’s Hospital of Philadelphia (CHOP) and as an Assistant Professor of Clinical Psychology in Psychiatry at the University of Pennsylvania School of Medicine.

Dr. Guerry received his Ph.D. in clinical psychology from UNC-Chapel Hill and his undergraduate degree from Wesleyan University (CT). He completed his clinical internship at Montefiore Medical Center in the Bronx, NY and thereafter did advanced postdoctoral training at the Columbia University Clinic for Anxiety and Related Disorders (CUCARD).

Dr. Guerry's research interests concentrate on adolescent anxiety, depression, self-injurious thoughts and behaviors, and treatment development. He has published over a dozen peer-reviewed research articles and book chapters.

In addition to his clinical practice and research activities, Dr. Guerry remains active in professional service, teaching, and training. For example, in 2009 Dr. Guerry was selected by the Society of Clinical Child and Adolescent Psychology (SCCAP) and the Association for Behavioral and Cognitive Therapies (ABCT) to serve as an original co-author of the website, www.effectivechildtherapy.org. This website disseminates information to the public about evidence-based treatment options for child and adolescent mental health problems. Dr. Guerry continues to serve as the Web Editor of www.effectivechildtherapy.org and on the editorial board of the journal Evidence-based Practice in Child and Adolescent Mental Health.