Gregory Aarons, PhD is Professor of Psychiatry at UC San Diego, Co-Director of the UCSD Dissemination and Implementation Science Center (UCSD-DISC), and Director of the Child and Adolescent Services Research Center (CASRC). Dr Aarons is a clinical and organisational psychologist who focuses on improving behavioral health care in service systems in the US and internationally. He is co-developer of the Exploration, Preparation, Implementation, Sustainment (EPIS) framework (https://episframework.com). His research, funded by the National Institute on Drug Abuse, National Institute of Mental Health, Centers for Disease Control, and the W.T. Grant Foundation focuses on identifying and improving system, organisational, and individual factors that support implementation and sustainment of evidence-based practices and quality of care in health and allied health care settings. Much of Dr Aarons’ work focuses on aligning and testing leadership and organisation support strategies and training managers to become effective leaders to support evidence-based practice implementation and sustainment in behavioral health (https://implementationleadership.com). His implementation and scale-up strategies are being used and tested in behavioral health, schools, child welfare, HIV prevention, and trauma treatment in the US, Norway, and West Africa. His most recent work is in developing and fostering community-academic partnerships to increase the use of research evidence in policy and practice. Dr Aarons has been a featured speaker on implementation science in the US, Europe, Scandinavia, Australia, and Africa. He also provides training and mentoring in implementation science and practice for the US National Institutes of Health (NIH), the NIH Fogarty International Center and Kings College London.