Tomás Jiménez is Associate Professor of Sociology and Comparative Studies in Race and Ethnicity. He is also Director of the undergraduate program in Comparative Studies in Race and Ethnicity and Director of graduate studies in sociology. His research and writing focus on immigration, assimilation, social mobility, and ethnic and racial identity. His book, Replenished Ethnicity: Mexican Americans, Immigration, and Identity (University of California Press, 2010) draws on interviews and participant observation to understand how uninterrupted Mexican immigration influences the ethnic identity of later-generation Mexican Americans. The book was awarded the American Sociological Association’s Sociology of Latinos/as Section Distinguished Book Award.He was the American Sociological Association Congressional Fellow in the office of U.S. Rep. Michael Honda, where he served as a legislative aide for immigration, veterans’ affairs, housing, and election reform. His writing on policy has appeared in reports for the Immigration Policy Center, and he has written opinion-editorials on the topic of immigrant assimilation in several major news outlets, including the Los Angeles Times, CNN.com, The Chronicle of Higher Education, and the San Diego Union-Tribune.