Timothy R. Gulden

Photo of Timothy Gulden
Policy Researcher
Santa Monica Office


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


Tim Gulden is a policy researcher at the RAND Corporation. His research focuses on modeling complex systems in the context of data as well as more general policy analysis including cost/benefit analysis, organizational design, and cybersecurity policy.

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.


  • Looking west along the Los Angeles River from the Fletcher Drive Bridge, <a href="https://upload.wikimedia.org/wikipedia/commons/c/c1/Los_Angeles_River_from_Fletcher_Drive_Bridge_2019.jpg">photo</a> by Downtowngal / <a href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">CC BY-SA 4.0</a>

    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