He is currently employed as the president-in-residence at the Harvard Graduate School of Education, following his retirement from the position of president of Macalester College.
[2] Rosenberg began his academic career as an adjunct assistant professor of humanities at the Cooper Union in New York City in 1982.
While in this position, he was responsible for all academic programs, athletics, the library, instructional technology and the Lawrence University art gallery.
[3] During his 17-year tenure, Rosenberg faced some criticism from the student body and alumni for his salary, which ranked within the top ten highest in America for a college president.
[4][5] He led a number of fundraising campaigns for the college, such as the Macalester Moment campaign,[5] and oversaw the construction and renovation of several buildings on campus, including the Leonard Center Athletics and Wellness Complex, Markim Hall, and the Janet Wallace Fine Arts Center.