Julie K. Johnson, PhD, first started at CeASAR in 2007 as a Research Assistant and Clinical Research Coordinator on the Screening and Brief Advice to Reduce Teen Substance Use Study [NIH Grants: R01 DA018848 and 3 R01 DA018848-03S1] from 2007-2010 before continuing on to graduate school at Brandeis University, Heller School of Social Policy and Management, where she completed her doctorate in 2015.  Her dissertation assessed the effects of state-level marijuana policies, varying marijuana policy provisions, and state characteristics on adolescent report of marijuana and alcohol use. Her research interests include adolescent health and substance use, and using quantitative methods to assess clinical and policy prevention and intervention changes at varying levels of intervention. She has worked on multiple research projects, including one in Uganda, Africa assessing health conditions in underserved populations and a variety of projects at Brandeis assessing behavioral health programs and policies. Additionally, she teaches Health Policy and Systems at Simmons College as an Adjunct Professor. Dr. Johnson received two predoctoral NIH-awarded Ruth L. Kirschstein National Research Service Awards, including the National Institute on Alcohol Abuse and Alcoholism (NIAAA) Traineeship (T32AA007567) from 2010-2012 and the National Institute of Drug Abuse (NIDA) F31 Grant (1F31DA036923-01A1) from 2014-2016.