An Assistant Professor of Transnational American History in the Department of History at the University of Wisconsin-Whitewater, where he teaches the Vietnam War, US foreign relations and empire, Hmong American historical and contemporary issues, and other courses in American and world history. He is an affiliated faculty in the Race and Ethnic Studies program, co-creator of the Asian American/Asian Studies Minor, and co-advisor to the Oral History Wisconsin Farm Project on the UW-Whitewater campus. He serves on the editorial review board of the Hmong Studies Journal and has published articles on Hmong American politics, social movements, and culture/religion in Hmong Studies Journal, Social Movement Studies, and other academic journals.