Salvatore Giorgi is a Senior Research Scientist in the College of Connected Computing at Vanderbilt University. He was previously a Data Scientist in the Technology and Translational Research Unit at the National Institute on Drug Abuse (NIDA/NIH). He holds a PhD in Computer Science from the University of Pennsylvania, where he studied under H. Andrew Schwartz and Lyle Ungar. His research focuses on community-centered NLP — developing geo-spatial methods to measure relationships between individuals and their communities using social media language — with additional interests in machine learning applications to substance use, recovery, and stigma.