Timothy R. Gulden

Timothy R. Gulden
Senior Policy Researcher; Professor of Policy Analysis, Pardee RAND Graduate School
Santa Monica Office


Ph.D. in public policy, University of Maryland; B.A. in liberal arts, Sarah Lawrence College


Tim Gulden is a senior policy researcher at RAND and a professor of policy analysis at the Pardee RAND Graduate School. His research focuses on modeling complex systems in the context of data as well as more general policy analysis including cost/benefit analysis, spatial analysis, organizational design, and emerging methods in artificial intelligence.

Gulden is the past president of the Computational Social Science Society of the Americas (CSSSA). Before coming to RAND, he was a research professor with the Center for Social Complexity and Department of Computational Social Science at George Mason University. His PhD is from the University of Maryland School of Public Policy where he explored agent-based modeling as a tool for policy analysis. He has held research positions at the MITRE Corporation, the Center for International and Security Studies at Maryland (CISSM), and the Brookings Institution's Center on Social and Economic Dynamics (CSED). He attended the Santa Fe Institute's Complex Systems Summer School in 2002. During the 1990s he was the technical director of the GIS program for Westchester County, New York.


  • Vaccination

    Target Vaccine to 'High-Contact' People

    Actively seeking out people with lots of contacts for vaccination could bring the epidemic under control much more quickly than vaccinating people at random. Vaccinating just 15% of the population would be enough to crush the epidemic—so long as it was the right 15%.

    Apr 9, 2021

    The Detroit News

  • Water Resources Management

    Los Angeles River Revitalization: Taking Inspiration from Near and Far

    Currently a predominantly concrete channel running through the city, the Los Angeles River has great potential to revitalize Los Angeles's water resources, landscape, and identity. Creating a new vision for the river presents a complex challenge for policymakers, engineers, and urban planners.

    Feb 4, 2020

    The RAND Blog