She, also, has taught at the University of California, Berkeley, Graduate School of Education at Harvard University, and Haskell Indian Nations University in Lawrence, Kansas. In addition, Dr. Mann has served as the Director of the Office of Indian Education Programs/Deputy to the Assistant Secretary for the Bureau of Indian Affairs. She, also, was the National Coordinator of the American Indian Religious Freedom Act Coalition for the Association on American Indian Affairs.
In 1991, Rolling Stone Magazine named Dr. Mann as one of the ten leading professors in the nation. In 2008 she received the Lifetime Achievement Award from the National Indian Education Association. The College Board, Native American Student Advocacy Institute presented her with its first Lifetime Achievement Award in 2013. In 2016 she became one of two Native American scholars ever to be elected to the National Academy of Education and was elected to membership in the American Academy of Arts & Sciences in 2018. In 2017 she received a SPIRIT ALIGNED Legacy Award as a carrier of indigenous community values, memory, and wisdom. Dr. Mann holds an Honorary Doctorate in Humane Letters from Smith College in Massachusetts.