Faculty & Staff


Johnson, Micah E., PhD

 Johnson, M. profile pic



Title: Assistant Professor
Phone: (813) 974-8163
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Curriculum Vitae

Dr. Micah E. Johnson is an Assistant Professor in the Department of Mental Health Law & Policy at the University of South Florida. He received his Ph.D. in sociology from the University of Florida. He completed a National Institutes of Health T32 Postdoctoral Fellowship in the Department of Epidemiology at the University of Florida. His research focuses on social stress, addiction, and juvenile justice. Dr. Johnson has published 2 books and over 20 scientific articles. He received nearly four million dollars in research awards from the National Institute on Drug Abuse. He is the recipient of the 2023 USF outstanding research award. He founded multiple programs to enhance the research workforce, including the Substance Misuse and Abuse Research Traineeship (SMART) and the ABCD Scientific Training in Addiction Research Techniques (START). 

His teaching interests include research methods and behavioral health services delivery.


  • Ph.D., University of Florida
  • B.A., Florida State University 

Research Interests

  • Poly substance misuse

  • Trauma, stress, and social disadvantage 

Research Projects

Funding by a $907,742 grant from NIH, Dr. Johnson is conducting a study titled Examining the Stress Processes Relating Ethnicity and Sex to Substance Misuse and Services Outcomes (ESPRESSO). The ESPRESSO project quantitatively and qualitatively investigates the mechanisms by which social status impacts drug use trajectories and treatment services among Justice-involved adolescents (JIA). The study has illuminated how social circumstances can affect risk, recovery capital, access to services, and the quality of services. 


Recent Publications

 Johnson, ME, Lloyd SL, Bristol SC, Elliott AL, and Cottler LB (2022). Black girls and referrals: Racial and gender disparities in self-reported referral to substance use disorder assessment among justice-involved children. Substance Abuse Treatment Prevention Policy. 17, 68. https://doi.org/10.1186/s13011-022-00462-6

Johnson ME, Rigg KK, Vroom EB, Akbari Z, and Bristol SC. (2022). Racial/ethnic differences in the effects of adverse childhood experiences on substance misuse among justice-involved children. Substance Use and Misuse. https://doi.org/10.1080/10826084.2022.2148477

Rigg K and Johnson ME (2022). Preventing adolescent opioid misuse: Racial/ethnic differences in the protective effects of extracurricular activities. Journal of Studies on Alcohol and Drugs, 83(3), 402–411. https://doi.org/10.15288/jsad.2022.83.402

Shaw DJ and Johnson, ME (2022). The primary purpose for committing a crime and past-30 day opioid misuse: A statewide sample of justice-involved children. Journal of Drug Issues, 52(1), 97–113. https://doi.org/10.1177/00220426211037608

Zaidi F, Johnson ME, Akbari Z, Bristol SC (2022). Sex differences in the association of adverse childhood experiences on past 30-day opioid misuse among Florida justice-involved children. Journal of substance abuse treatment, 140, 108787. https://doi.org/10.1016/j.jsat.2022.108787