Senior Lecturer on Education; Faculty Director, Human Development and Psychology; Faculty Co-Director, Human Development and Psychology Master's Program; Faculty Director, Making Caring Common Project, Harvard Graduate School of Education; Senior Lecturer, Kennedy School of Government, Harvard University; Founder, The Lee Academy; Lead and Co-Author of the 2021 Report: Loneliness in America: How the Pandemic Has Deepened an Epidemic of Loneliness and What We Can Do About It; Author, The Parents We Mean to Be: How Well-Intentioned Adults Undermine Children's Moral and Emotional Development (2009) and The Vulnerable Child: What Really Hurts America’s Children and What We Can Do About It (1996)