His teaching fields include the histories of 20th century popular culture, post-1945 civil rights, Latino/a and Puerto Rican migrations to the United States, as well as the history of modern Latin America and 20th century labor history of the Americas. Samponaro is interested in transnational cultural patterns in the Americas over the course of the past century. Additionally, he is sponsor of the Phi Alpha Theta history honor society at UTB/TSC and the author of several articles, multiple book reviews and a forthcoming study of the 20th century clock and watch industry in Connecticut.