Benjamin Sims is a sociologist with the Statistical Sciences Group at Los Alamos National Laboratory with broad interests in qualitative and quantitative social science.

Sims has a PhD in Sociology and Science Studies from the University of California, San Diego. His dissertation research was on the development of earthquake engineering knowledge and methods for reinforcing bridges in California. He has continued to publish in the field on topics including safety in laboratory work, the impacts of Hurricane Katrina, and post-Cold War developments in the U.S. nuclear weapons complex. His current research focuses on the sociology of infrastructure and repair and retrofit of sociotechnical systems. His broader interests include the organization of scientific and professional work, tacit knowledge and expertise, and safety and risk in sociotechnical systems.