(short version) Edward S. Marks, Ph.D., a school psychologist for the Trenton, New Jersey Board of Education, and a licensed psychologist practicing in suburban Philadelphia, deals with school problems and career development. His work reflects over 27 years of special education experience. Edward Marks, Ph.D., is a school psychologist for Trenton, NJ Board of Education, and a licensed psychologist practicing in suburban Philadelphia, dealing in school problems and career development. His work reflects over 27 years of special education experience, and focuses on improving consultation to teachers and schools, conducting inservice training and continuing education for teachers and Child Study staff, as well as evaluation, crisis intervention, and counseling of students. A past president of the Philadelphia Society of Clinical Psychologists, he was a founder and Vice-President of its Human Services Center, and served as secretary of the Pennsylvania Psychological Association.