Dr. Maisch is Assistant Professor of International Relations in the School of International Service and Academic Director in the Washington Semester Program. Since the fall of 1988, his primary teaching responsibility has been the US Foreign Policy Seminars and Internship of American University's Washington Semester Program (WSP). He has also taught International Relations of Latin America and Contemporary Latin America in SIS as well as the International Environment and Development Seminars and Field Practicum Study and Research Trip to Costa Rica of the Washington Semester Program in the Spring Semesters of 1999 and 2000.

Dr. Maisch directed the Madrid Semester Program in the Spring of 1991 and the London Semester Program in the Spring Semesters of 1992 and 1994 of the AU's Abroad Programs. Dr. Maisch has also given guest lectures at the Inter-American Defense College and other venues.

Dr. Maisch's research focuses primarily on U.S.-Latin American relations and Latin American politics and diplomatic history. Some of his recent publications include the following: ""Free Trade --The Inter-American System's Oldest and Newest Goal: The Evolution of Economic Themes in Inter-American Relations from the 1800s to the Present," Middle Atlantic Council of Latin American Studies (MACLAS), Latin American Essays , Volume XVII (June 2004); "The Falkland/Malvinas Islands Clash of 1831-1832: US and British Diplomacy in the South Atlantic," Diplomatic History , Volume 24, No. 2 (Spring 2000); "Peruvian Democracy in the 1990s," Middle Atlantic Council of Latin American Studies (MACLAS), Latin American Essays, Volume X (1997); and his book Un análisis jurídico e histórico de la disputa anglo-argentina sobre las Islas Malvinas [ A Legal and Historical Analysis of the Conflicting Anglo-Argentine Claims to the Falkland/Malvinas Islands ] (Lima, Peru: Universidad Inca Garcilaso de la Vega, 1995). Before joining the full-time faculty of American University, Professor Maisch worked for the Inter-American Development Bank.