Sylvi Un is an administrator in St. Paul Public Schools in Minnesota. Currently, she serves the students, families, and teachers in her district through her role as an administrative intern (acting assistant principal) at Frost Lake Elementary School. Like many of the Southeast Asian families at Frost Lake, she was born in a refugee camp in Thailand and grew up in Minnesota as a 1.5- generation Cambodian American.

Before coming to Frost Lake, she worked in schools and community-based organizations with students from Gary and South Bend, Indiana, while she earned her undergraduate degree at the University of Notre Dame. After earning her master's degree in education, as a Donovan Urban Teaching Scholar and Jay Sharp Scholar from Boston College, she taught middle school math and elementary social studies in Boston and Revere, Massachusetts.

While working on her Ph.D. at the University of Minnesota, she taught M.Ed. students in elementary education, served as the assistant director for the Multicultural Summer Research Opportunities Program (MSROP) in the university's graduate school, and coached teachers in Miami-Dade County Public Schools in Miami, Florida. In addition to teaching and administration, she continues to serve on the editorial board for the Journal of Southeast Asian American Education & Advancement.