Bill Marcellino is a senior behavioral scientist at RAND, professor of text analytics at the Pardee RAND Graduate School, and lecturer at Carnegie Mellon University and Johns Hopkins University. He was trained as a sociolinguist and corpus linguist, and at RAND he develops AI applications, including RAND-Lex, RAND's proprietary text analytics suite. Marcellino teaches text analytics & natural langauge processing (NLP), as well as qualitative research methods. His research focuses on information as a warfighting function, AI technology application & acqusition for DoD, military resilience, and misinformation/disinformation & conspiracy theories over social media. He also helps lead RAND's AI development in speciality LLMs and LLM-enabled applications. He has also served as a U.S. Marine tank officer and enlisted rifleman. Marcellino received his Ph.D. in rhetoric from Carnegie Mellon University.
Selected Publications
Marcellino, William, Todd C. Helmus, Joshua Kerrigan, Hilary Reininger, Rouslan I. Karimov, and Rebecca Ann Lawrence, Detecting Conspiracy Theories on Social Media: Improving Machine Learning to Detect and Understand Online Conspiracy Theories, RAND Corporation (RR-A676-1), 2021
William M. Marcellino, "Talk like a Marine: USMC linguistic acculturation and civil-military argument," Discourse Studies, 16(3), 2014
Christopher Paul & William M. Marcellino, Dominating Duffer’s Domain: Lessons for the 21st Century Information Operations Practitioner, RAND Corporation (RR-1166), 2017
William M. Marcellino, "Revisioning Strategic Communication Through Rhetoric & Discourse Analysis," Joint Forces Quarterly, (76), 2016
Kavanagh, Jennifer, William Marcellino, Jonathan S. Blake, Shawn Smith, Steven Davenport, and Mahlet G. Tebeka,, News in a Digital Age: Comparing the Presentation of News Information over Time and Across Media Platforms., RAND Corporation, (RR-2960), 2019
Marcellino, William, Smith, Meagan, Paul, Christopher, & Skrabala, Lauren., Monitoring Social Media: Lessons Learned for Future Department of Defense Social Media analysis in Support of Information Operations, RAND Corporation (RR-1742)
Posard, Marek N., William Marcellino, Todd C. Helmus, and Katie Feistel, A House Reunited: Prospects for Bipartisanship in a Divided Country, RAND Corporation (PE-A2285-1), 2023
Johnson, Christian, William Marcellino, Bad Actors in News Reporting: Tracking News Manipulation by State Actors, RAND Corporation (RR-A112-21), 2021