Debbie M. Cheng is assistant dean of data science and the founding executive director of the Center for Health Data Science at the Boston University School of Public Health. She is a professor of biostatistics with a research focus on applied statistics and the design and analysis of clinical trials. She collaborates with investigators worldwide on multiple studies in the areas of substance abuse and HIV. She is also associate director of the Providence/Boston Center for AIDS Research (CFAR) and co-director of its Biostatistics Core, as well as director of the Biostatistics and Data Management Core for the International URBAN ARCH Center, which aims to examine the impact of alcohol on multiple aspects of the TB disease continuum. Dr. Cheng is the lead statistician for the Massachusetts site of the HEALing Communities Study, a multi-site cluster randomized trial aimed at reducing opioid-related overdose deaths in communities across four different states, the largest study of its kind in addiction science.