Diane’s teaching and research is focused on leadership development. She is a co-investigator on Project Arete – a 5-year longitudinal study of character and leadership development at the United States Military Academy. Dr. Ryan also holds a secondary appointment as Associate Professor in the Eliot-Person Department of Child Study and Human Development.
Prior to joining Tufts, Diane was an Academy Professor, Director of the Eisenhower Leader Development Program with Columbia University and Deputy Department Head in the Department of Behavioral Sciences and Leadership at the United States Military Academy, West Point, NY. During her 29-year career as a U.S. Army officer she served in a variety of command and staff assignments both stateside and abroad. Diane is a noted expert in leader development and mentoring. During her last combat assignment with the 1st Cavalry Division in Baghdad, Iraq she founded a US-Iraqi partnership for military women and worked with several NGOs on peace and security initiatives. More recently, she served as a strategy consultant to the Commander of U.S. Army Pacific designing leader development exchange programs for several key U.S. partners.
Diane is certified in Stakeholder Centered Coaching and, in 2017, was selected as one of Marshall Goldsmith’s 100 Coaches from over 16,000 applicants. She has worked with numerous organizations across all sectors to include NYC Public Schools, Goldman-Sachs, Dell-EMC and Dartmouth College.
Dr. Ryan holds a B.A. in Psychology from the College of the Holy Cross, an M.S. in International Relations from Troy University, an M.S.S. in Strategic Studies from the United States Army War College and a Ph.D. in Social and Community Psychology from North Carolina State University.
Diane and her husband Al Roscoe have two daughters and a wily shih-poo named Maggie.