President Junn has worked at California State University for 33 years, working at five other CSU campuses prior to joining Stanislaus. She began her career as an assistant psychology professor at California State University, San Bernardino. She has also taught and held leadership positions at the Dominguez Hills, San Jose State, Fresno and Fullerton campuses. She has led initiatives such as the African American Student Success and Hispanic Student Success task force at San Jose State and the Women’s Campus Connection and the Asian Faculty and Staff Association at California State Fresno.

President Junn became the 11th President of California State University, Stanislaus, in July 2016, and officially announced her retirement in the Spring of 2023.