Mary received her bachelor's degree in Psychology from CSU in 1973 and joined the University in 1974 as a research associate. She has been administrative assistant in the Chicano Studies Office, acting director of Chicano Student Services and Associate Director of Admissions, where she served as Director of Admissions from 1983 to 2002. In 2002 she was appointed Executive Director of Admissions and was named Associate Vice President in 2007. She has also served as special consultant to the President for CSU-Pueblo and has taught an admissions workshop in the School of Education at the Fort Collins campus. In May she was appointed Vice President for Diversity and will retain a post as Associate Vice President for the Division of Enrollment and Access. Mary has been awarded the Margaret B. Hazaleus Award, Northern Colorado Hispanic Leadership Council Award for Leadership and Contributions to the Hispanic Community and the CSU Minority Distinguished Service Award.
She is a member of the Colorado Council on High School/College Relations Hall of Fame and the National Hispanic Institute Hall of Fame. Mary has served on boards and commissions including the coalition for the Educational Advancement of Latinos, the Boettcher Scholarship Committee, the Bill and Melinda Gates Millennium Scholarship Committee, the American College Testing Advisory Council and the Association of Chief Admissions Officers at Public Universities.