Dan Werb




Dan Werb, PhD, is an epidemiologist and policy analyst with expertise in overdose, Human Immunodeficiency Virus (HIV), addictions, and drug policy. Dr. Werb is a Research Scientist at the Li Ka Shing Knowledge Institute (LKSKI) at St. Michael’s Hospital in Toronto. He is also an Assistant Professor in the Division of Infectious Diseases & Global Public Health at the University of California, San Diego. Dr.Werb is Director of the Centre on Drug Policy Evaluation, a recognized global leader in cutting edge policy research and communications. Dr. Werb has published dozens of studies on issues related to health policy and addictions, with a focus on preventing the transition of street youth into injection drug use, as well as on identifying the impact of policy and public health interventions on street-based drug-using populations.

Please note: Dr. Werb is not taking any summer students.


Recent Publications

  1. Bowles, JM, Jain, S, Sun, X, Strathdee, SA, DeBeck, K, Milloy, MJ et al.. Investigating a bidirectional relationship between overdose and provision of injection initiation assistance among persons who inject drugs in Vancouver, Canada and Tijuana, Mexico. Int J Drug Policy. 2021;95 :103398. doi: 10.1016/j.drugpo.2021.103398. PubMed PMID:34390966 .
  2. Marks, C, Meyers, SA, Jain, S, Sun, X, Hayashi, K, Gonzalez-Zuniga, P et al.. Involvement of people who inject drugs in injection initiation events: a cross-sectional analysis identifying similarities and differences across three North American settings. BMJ Open. 2021;11 (8):e046957. doi: 10.1136/bmjopen-2020-046957. PubMed PMID:34385244 PubMed Central PMC8362731.
  3. Marks, C, Bouck, Z, Jain, S, Sun, X, Strathdee, SA, Vickerman, P et al.. The impact of recent homelessness on the provision of injection drug use initiation assistance among persons who inject drugs in Tijuana, Mexico and Vancouver, Canada. Drug Alcohol Depend. 2021;225 :108829. doi: 10.1016/j.drugalcdep.2021.108829. PubMed PMID:34237582 .
  4. Kitchen, SA, McCormack, D, Werb, D, Caudarella, A, Martins, D, Matheson, FI et al.. Trends and outcomes of serious complications associated with non-fatal opioid overdoses in Ontario, Canada. Drug Alcohol Depend. 2021;225 :108830. doi: 10.1016/j.drugalcdep.2021.108830. PubMed PMID:34182376 .
  5. Scheim, AI, Sniderman, R, Wang, R, Bouck, Z, McLean, E, Mason, K et al.. The Ontario Integrated Supervised Injection Services Cohort Study of People Who Inject Drugs in Toronto, Canada (OiSIS-Toronto): Cohort Profile. J Urban Health. 2021;98 (4):538-550. doi: 10.1007/s11524-021-00547-w. PubMed PMID:34181179 PubMed Central PMC8237772.
  6. Bernstein, SE, Amirkhani, E, Werb, D, MacPherson, D. Reprint of: The regulation project: Tools for engaging the public in the legal regulation of drugs. Int J Drug Policy. 2021;91 :103279. doi: 10.1016/j.drugpo.2021.103279. PubMed PMID:34024456 .
  7. Marks, C, Pearson, JL, Zúñiga, ML, Martin, N, Werb, D, Smith, LR et al.. Articulating the Trauma-Informed Theory of Individual Health Behavior. Stress Health. 2021; :. doi: 10.1002/smi.3068. PubMed PMID:34009751 .
  8. Meyers, SA, Earnshaw, VA, D'Ambrosio, B, Courchesne, N, Werb, D, Smith, LR et al.. The intersection of gender and drug use-related stigma: A mixed methods systematic review and synthesis of the literature. Drug Alcohol Depend. 2021;223 :108706. doi: 10.1016/j.drugalcdep.2021.108706. PubMed PMID:33901753 PubMed Central PMC8168566.
  9. Ti, L, Tobias, S, Maghsoudi, N, Milloy, MJ, McDonald, K, Shapiro, A et al.. Detection of synthetic cannabinoid adulteration in the unregulated drug supply in three Canadian settings. Drug Alcohol Rev. 2021;40 (4):580-585. doi: 10.1111/dar.13237. PubMed PMID:33354869 .
  10. Sa, M, C, R, Ml, M, Lr, S, J, TM, S, J et al.. Examining the gender composition of drug injecting initiation events: A mixed methods investigation of three North American contexts. Int J Drug Policy. 2021;90 :103056. doi: 10.1016/j.drugpo.2020.103056. PubMed PMID:33310638 PubMed Central PMC8046711.
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Affiliations & Other Activities

  • Assistant Professor, Division of Global Public Health, University of California San Diego Director, International Centre for Science in Drug Policy