Dr. Thompson is an Assistant Professor at the University of Arkansas for Medical Sciences (UAMS), Department of Psychiatry, Center for Health Services Research. He conducts both public health and clinical intervention research in the intersecting areas of substance abuse, psychiatric disorders, and suicide and has published over 45 peer-reviewed articles on his work in well-regarded national and international scientific journals. Dr. Thompson has been the Principal Investigator of two NIH-funded studies (R21AA017862; K23DA032323) to develop and test the feasibility and preliminary effectiveness of disseminable brief motivational interventions to reduce substance use and sexual risk behaviors among homeless young adults. This work included the development and testing of a smartphone application to self-monitor substance use and sexual risk behaviors, plus a brief motivational intervention, that has been shown to reduce such behaviors in this vulnerable population. Dr. Thompson currently serves as: (1) Co-Investigator on a NIDA-funded study (R01DA048022) to (a) develop and evaluate the feasibility of a smartphone application (app) to reduce relapse among individuals receiving outpatient medications for opioid use disorders (MOUD) and (b) use functional neuroimaging to model neurocognitive mechanisms by which the app reduces opioid misuse; (2) Co-Investigator on two studies (VA HSR&D RIVR 19-478; VA HSR&D IIR 20-058) to develop and pilot brief strength-based interventions to link veterans with alcohol problems and/or PTSD to substance abuse and mental health treatment; (3) Co-Investigator on a study to empower veterans to address suicide in their communities; and (4) Co-Investigator and Evaluator on the Arkansas State Opioid Response (SOR3; SAMHSA) to establish and expand MOUD services within the state by compensating facilities across the state to provide MOUD to uninsured and underinsured patients.