In 2015, Liz Duffy was named president of International Schools Services (ISS). For the previous 12 years, she served as head master of the Lawrenceville School in N.J., and before that she worked at the Ball Foundation, the Woodrow Wilson National Fellowship Foundation (WWNFF), the Andrew W. Mellon Foundation and Princeton University. The first woman to head the last three organizations at which she worked, Duffy has led workshops around the world about women and leadership. She chairs the board of Princeton AlumniCorps and serves on the boards of the Geraldine R. Dodge Foundation and the E.E. Ford Foundation. She is also a past president of the Eight Schools Association, an emerita trustee of WWNFF and a past trustee of Princeton University and the National Association of Independent Schools, among other organizations. She majored in molecular biology at Princeton and received graduate degrees in business and education from Stanford. She and her husband, John Gutman ’83, have two teenage children.