He specializes in 20th century U.S. history with particular interests in Asian American history, urban/suburban history, and California and the American West. His article, “Design Assimilation in Suburbia: Asian Americans, Built Landscapes, and Suburban Advantage in Los Angeles’ San Gabriel Valley since 1970” (co-authored with Becky Nicolaides), was published in the Journal of Urban History and won the Urban History Association’s Arnold Hirsch Award. He has written reviews in Amerasia, Journal of Asian American Studies, Journal of Social History, and Journal of Urban History as well as op-eds and articles in City Lab, National Journal, and San Francisco Chronicle. He is currently working on a book about suburbanization and Asian American settlement in post-WWII Los Angeles.