Research Director, Principal Investigator, Project Zero; Co-Director, "Digital Dilemmas" and "Reimaging Digital Wellness" Projects; Lecturer, Harvard Graduate School of Education; Digital Learning Research Partner, Common Sense Media; Co-Author, Behind Their Screens: What Teens Are Facing (And Adults Are Missing) (2022), "15 School-Based Initiatives Promoting Digital Citizenship and Healthy Digital Media Use" (2022, Handbook of Adolescent Digital Media Use and Mental Health) and "Shelter in Place, Connect Online: Trending TikTok Content During the Early Days of the US COVID-19 Pandemic" (2021, Journal of Adolescent Health)