Mark Tappan is a is a Professor of Education at Colby College and member of the Research Practice Partnership Team (RPPT) that designed the TREE model and now oversees the project evaluation.

Mark’s research interests focus on social and personality development, moral development and education, risk and resilience in childhood and adolescence, and boys’ development and education. As a member of the research team, Mark is especially interested in the ways in which educational interventions can support and encourage social and emotional development during childhood and adolescence. His early work focused on narrative and sociocultural approaches to moral development and moral education. More recently, he has been interested in developing trauma-informed educational interventions that support resilience among children and adolescents in rural communities.