Kendra Cherry is a writer specializing in psychology, child development, and education. She writes about personality, social behavior, and child therapy for several online magazines, and she is the About.com Guide to Psychology. Cherry previously worked with children suffering from emotional disturbances as a psychosocial rehabilitation specialist. She has a Bachelor's of Science in Psychology and a Master of Science in Education.About the Foreword Writer Paul G. Mattiuzzi, PhD has been a psychologist for over 25 years. He has applied his training to organizational behavior, career motivation, psychotherapy, and health psychology, but his usual work involves the study of criminal behavior and forensic psychology. Dr. Mattiuzzi often lectures and teaches about psychology, and he writes about psychology and everyday experiences in his blog: everydaypsychology.com.