I am a historian of the twentieth-century United States and of the Chinese diaspora. My scholarship spans numerous fields, including immigration, race, Asian American history, politics, and urban history. I received my B.A. from Yale College and my M.A. and Ph.D. from Northwestern University. The author of three books and numerous articles, I am a professor of history at Baruch College, CUNY. In addition, I am a member of the editorial boards of the Journal of American Ethnic History and Chinese America: History and Perspectives and am part of the scholarly advisory committee of the Museum of Chinese in America.