Li Ang Zhang

Li Ang Zhang

Senior Information Scientist, RAND; Professor of Policy Analysis, RAND School of Public Policy

He/Him

Li Ang Zhang is a Senior Information Scientist at RAND and a Professor of Policy Analysis at the Pardee RAND Graduate School. His research sits at the intersection of machine learning (ML), optimization, and mathematical modeling as applied to complex defense and technology policy challenges. His current work explores the boundaries of AI in defense contexts, applications for space domain awareness, and adversarial red-teaming of large language models to characterize their risks and limitations for defense and policy stakeholders.

Beyond research, he developed the RAND's first LLM-assisted research applications, RANDChat and AskRAND, to enable AI-assisted research across RAND. His contributions have been recognized with the Schaffer Medal Award, RAND's highest institutional honor, as well as multiple Bronze, Spotlight, and Innovation awards. 

Prior to RAND, he specialized in developing model-based decision support systems to combat clinical challenges associated with sepsis, a severe inflammatory syndrome. He holds a Ph.D. in chemical engineering from the University of Pittsburgh.

Education

Ph.D. in chemical engineering, University of Pittsburgh; B.S. in chemical engineering, Carnegie Mellon University

Selected Work

  • Zhang, Li Ang, Krista Langeland, Jonathan Tran, Jordan Logue, Prateek Puri, George Nacouzi, Anthony Jacques, and Gary J. Briggs, Artificial Intelligence and Machine Learning for Space Domain Awareness: Characterizing the Impact on Mission Effectiveness, RAND Corporation (RR-A2318-1), 2024
  • Menthe, Lance, Li Ang Zhang, Edward Geist, Joshua Steier, Aaron B. Frank, Erik Van Hegewald, Gary J. Briggs, Keller Scholl, Yusuf Ashpari, and Anthony Jacques, Understanding the Limits of Artificial Intelligence for Warfighters: Volume 1, Summary, RAND Corporation (RR-A1722-1), 2024
  • Zhang, Li Ang, Yusuf Ashpari, and Anthony Jacques, Understanding the Limits of Artificial Intelligence for Warfighters: Volume 3, Predictive Maintenance, RAND Corporation (RR-A1722-3), 2024
  • Zhang, Li Ang, Gavin S. Hartnett, Jair Aguirre, Andrew J. Lohn, Inez Khan, Marissa Herron, and Caolionn O'Connell, Operational Feasibility of Adversarial Attacks Against Artificial Intelligence, RAND Corporation (RR-A866-1), 2022
  • Li Ang Zhang, Jia Xu, Dara Gold, Jeff Hagen, Ajay K. Kochhar, Andrew J. Lohn, Osonde A. Osoba, Air Dominance Through Machine Learning, RAND Corporation (RR-4311), 2020
  • Hartnett, Gavin S., Lance Menthe, Jasmin Léveillé, Damien Baveye, Li Ang Zhang, Dara Gold, Jeff Hagen, and Jia Xu, Operationally Relevant Artificial Training for Machine Learning: Improving the Performance of Automated Target Recognition Systems, RAND Corporation (RR-A683-1), 2020

Authored by Li Ang Zhang

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