Dr. Sandra M. Mayo has served as the Director of Multicultural and Gender Studies and Associate Professor of Theatre at Texas State University-San Marcos (Texas State) since 2001. At Texas State she teaches Ethnic Theatre, Introduction to Ethnic Studies, and a graduate theatre course in Modern Drama. As Director of Multicultural and Gender Studies she manages a minor in Ethnic Studies (undergraduate) and Women’s Studies (graduate and undergraduate). In addition, she sponsors a variety of curricular and co-curricular projects related to multiculturalism including faculty development workshops, theatre productions, art exhibits, Diversity Book and Film Discussion Series, Annual Women’s History Month Awards Luncheon, and the annual 2-week Multicultural Curriculum Transformation Institute.

In addition to working as a college administrator and professor, she has served as a director, producer, theatre historian, critic, and author of numerous articles on the theatre and the arts. Her most recent directing projects are Frederick Douglass: Reflections on a Struggle for Freedom (2005) and For Colored Girls Who Have Considered Suicide When the Rainbow is Enuf (2004)—both produced at Texas State. Her publications include editing and introducing the anthology entitled Myth, Magic, and Farce: Four Multicultural Plays by Sterling Houston (2005) and organizing, co-editing, and the writing the introduction and a chapter for the Introduction to the Fine Arts text used for several years in classes at Incarnate Word University.

Dr. Mayo is a former Dean of Arts and Sciences and Director of Theatre and Fine Arts at St. Philip's College. She has taught English, Speech, and/or Theatre at several colleges and universities around the country.  In Texas, her teaching career has included Incarnate Word University, the University of Texas at San Antonio, and the University of Houston. She holds a Ph.D. and M.PH. from Syracuse U, M.A. from the U of Buffalo, and B.A. from Buffalo State U.

She has managed many significant arts initiatives including the San Antonio Symphony Residency and the Music Advancement Program at St. Philip's College. In 2000, she received the National Institute for staff Organizational Development Award for Leadership Excellence (sponsored by UT Austin). She has been listed in Who's Who in America and Who's Who in the Southwest
In 1997, she was inducted into the San Antonio Women's Celebration and Hall of Fame. Her contributions to numerous boards include the Association for Theatre in Higher Education (ATHE), the Guadalupe Cultural Arts Center, Arts! San Antonio, San Antonio Women's Hall of Fame, the San Antonio Chapter of 100 Black Women, Texas Educational Theatre Association, and the Southwest Theatre Association. In addition, she has had the honor of serving as the chair of the National Black Theatre Association of ATHE.