Johansen has been at the University of Nebraska, Omaha since 1982. He is the senior ranking professor in the Department of Communication with a cross-listing in Native American Studies. He is the Frederick W. Kayser professor, which is a university research chair. He is the author of 26 books and has written mainly in Native American Studies, but also in various ecological sciences, notably “The Global Warming Desk Reference” (2001) and “Global Warming in the 21st Century,” 3 vols. (2006). He also co-edited a 4-volume Encyclopedia of American Indian History with ABC-CLIO. (2007) He is also the Native American series editor for the Greenwood Publishing Group. In 2006, Dr. Johansen lectured at the University of Wales, Swansea, U.K. and on Native American legal history at the Catholic University of Lublin, Poland (this university was the teaching post of Pope John Paul II before he assumed the papacy.)