Sissela (Bergman) Nutley is a researcher associated with Karolinska Institutet and Research Director at Arts and Hearts, a non-profit organization working with mental health prevention programs in schools. She earned a master of science degree in biomedicine from Uppsala University, after which she received a doctorate degree from the Karolinska Institute in 2011. Her dissertation involved the development and trainability of executive functions in children and adolescents, contributing to two patents related to innovations that were developed as part of this work. She then worked as a research director at Pearson Assessments, overseeing independent international research and innovation collaborations. In 2015, she co-founded the non-profit organization Arts and Hearts, which uses the arts to raise funds in support of different charities. Her research is currently centered around adolescent mental wellbeing, with a particular focus on social media use and prevention programs in schools.