Sanaz Rezaeian, Ph.D., is a research structural engineer with the Geologic Hazards Science Center of the U.S. Geological Survey (USGS) in Golden, CO. There she serves as a co-leader of the Engineering & Risk project, collaborating primarily with the National Seismic Hazard Modeling project of the USGS and with external partners to quantify and reduce the impacts from earthquakes on the built environment. She has served as a USGS Liaison on several committees focused on the development of seismic provisions for U.S. construction codes since 2015, including the Building Seismic Safety Council (BSSC), the American Society of Civil Engineers (ASCE) seismic subcommittee, American Railway Engineering and Maintenance‑of‑Way (AREMA), and American Association of State Highway and Transportation Officials (AASHTO). Prior to joining the USGS in 2011 as a Mendenhall Fellow, she earned her B.S. (2004), M.S. (2006), and Ph.D. (2010) from the University of California, Berkeley and finished a postdoctoral appointment with the Pacific Earthquake Engineering Research (PEER) center on development of ground motion models.