Since 1993, Marc Steiner has hosted the widely acclaimed public radio news and interview program, "The Marc Steiner Show". In 1993, the show was launched on WJHU. In 2001 when WJHU came up for sale, Steiner led the movement to maintain community ownership of the station, playing an integral role in the founding of WYPR. He served as Executive Vice President of WYPR from February 2002 through August of 2005. Since May 2008, The Marc Steiner Show has aired on WEAA 88.9 FM, the NPR member station at Morgan State University.
Earlier in his career, Steiner founded a theater program in the Maryland state prison system, as well as the Family Circle Theater, a company of teenagers that produced original productions about adolescent issues. He also served for ten years on the faculty of the Baltimore School for the Arts. Steiner was a therapeutic counselor and director of counseling programs focusing on inner city neighborhoods and prisons. He and Valerie live in the country just outside of Baltimore. He has three children and five grandchildren.