Congratulations to Dr. Tingfang Lee on completing her post-doctoral work as part of the Avenir team! In her role, she built novel methods and statistical models to assess the impact of interventions and risk factors on individuals embedded in networks, specifically those pertaining to HIV and illicit drug use. Congratulations to Dr. Hilary Aroke on completing his post-doctoral work as a part of the Avenir team! Aroke was awarded the prestigious National Institute on Drug Abuse (NIDA) Diversity Post Doctoral Fellowship. During the past 2-3 years he has conducted epidemiologic and network science research using a variety of data sources. His current interest is in substance abuse research. Congratulations to Dr. Tianyu Sun on completing his PhD. His thesis title is “Evaluation of Medications for Opioid Use Disorder on Overdose and Healthcare Utilization in the US.”