She specializes in transnational feminist theories and movements, women of color feminisms, and feminist media studies. She is the author of Tell This Silence: Asian American Women Writers and the Politics of Speech (2004); co-editor, with Gina Wong, of East Asian Mothering: Politics and Practices (forthcoming), and co-director/producer of Finding Face (2009), a documentary film exploring the effects of gendered violence in Cambodia. Her current research focuses on representations of rescue, migration, and illegitimate motherhood among women in the global South. She has taught and/or conducted research in South Korea, Mexico, Cambodia, Vietnam, South Africa, India, China, and Brazil, among other places.