Tamara Del Vecchio Editor

Mark D. Terjesen, Ph.D., is a Professor of Psychology and Assistant Chairperson of the Department of Psychology at St. John’s University in Queens, NY, USA. Dr. Terjesen has served as the program director of the School Psychology (PsyD and MS) programs and has trained and supervised doctoral students throughout his tenure, having mentored more than 100 doctoral dissertation research projects. He has studied, published, and presented at numerous national and international conferences on topics related to training and clinical work with children, adolescents, and families. He has trained many professionals internationally in the use of Rational Emotive Behavior Therapy (REBT) and cognitive-behavioral practices with children and families. Dr. Terjesen has served as President of the School Division of the New York State Psychological Association, the President of the Trainers of School Psychologists, and as President of Division 52 (International Psychology) of the American Psychological Association, of which he is also a fellow. Dr. Terjesen is a Fellow of the Albert Ellis Institute and an approved supervisor. He serves as the Clinical Director at North Coast Psychological Services in Syosset, NY. 
Tamara Del Vecchio, Ph.D., is a Professor of Psychology and Chairperson of the Department of Psychology at St. John’s University in Queens, NY, USA. Dr. Del Vecchio has also served as the Director of Clinical Training of the Clinical Psychology Ph.D. program at St. John’s. She currently leads the Child and Family Research Group at St. John’s University. Her primary areas of research relate to the development of early aggression and the role of cognitions and affect as predictors of poor parenting practices. Dr. Del Vecchio has published several papers and book chapters on this topic and other topics related to parenting, parent-child relationship, and the development of externalizing behavior problems. She also has extensive experience supervising therapists delivering parenting and family interventions to families with young children.