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Dean of Students

Tonantzin Oseguera

Dr. Tonantzin Oseguera, Ed.D.
Dean of Students
Titan Student Union room 235


Dr. Oseguera has served in student affairs administration, advising student government, evolving campus activities and developing student leadership programs for more than 12 years. While at UC Riverside, she was responsible for managing student organizations, guiding the Associated Student Program Board and the Fraternity Sorority Involvement Center, as well as campus orientation and first-year programs. Her responsibilities also included athletics student fan engagement and supporting campus spirit and traditions. Prior to her post at UC Riverside, Dr. Oseguera was director of student activities and leadership programs at Portland State University. She also spent time as associate director of leadership education and activities at Chapman University. Dr. Oseguera earned her doctorate in higher education at USC. She has a master's degree in higher education and student affairs from the University of Vermont and a bachelor's degree in human development and family studies with an emphasis in gerontology. Her research focuses on underrepresented students and underserved populations. She is a member of the National Association of Student Personnel Administrators and chairs its Gwen Dungy Summer Leadership Institute. Additionally, Oseguera serves as a member of the organization's Undergraduate Fellows Board and previously was Co-Chair of the National Latino Knowledge Community.


Martha Poledna
Office Manager

West Romero
Assistant to the Dean of Students

Teri Brissae
Interim Front Office Assistant

Judicial Affairs

Sandi joined the Cal State Fullerton family in July 1999 after spending 8 years at the University of Southern California as the Director of the Office for Student Conduct. She has also served in various positions at the University of Texas-Austin and the University of Nebraska at Lincoln. In her current position she assists students to complete their academic goals by helping them understand and live by the standards established for a community of scholars as well as adjudicating complaints if there is an allegation that a student has violated those standards.

Sandra Rhoten
Associate Dean
Judicial Affairs
Titan Student Union room 235

Juline Killian
Administrative Support Coordinator

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