Mark T. Greenberg, Ph.D., is Professor of Psychology at Pennsylvania State University. He is the coauthor of several books including Promoting Social and Emotional Development in Deaf Children: The PATHS Project (1993), The PATHS Curriculum (1995), and Attachment in the Preschool Years: Theory, Research and Intervention (1990). He was the Principal Investigator of the Seattle site of the Fast Track Prevention Program. He continues to direct the PATHS Curriculum Project. His primary interest is the prevention of child psychopathology through the development of prevention programs that promote healthy emotion regulation and social competence in all children. His work on the PATHS Curriculum is used in schools in Europe, Australia, Canada, as well as in the United States. He may be contacted at Prevention Research Center, Pennsylvania State University, Henderson Building South, University Park, PA 16802. Phone: (814) 863-0241; fax: (814) 863-7963; Web: http://weber.u.washington.edu/~paths/.