Duy served for more than 17 years in schools as a kindergarten, first- and second-grade teacher, learning coordinator, and an elementary school principal. Duy also spent several summers teaching middle and high school students in Nanjing, China. He was a librarian in Quito, Ecuador before heading to New York City to study at Teachers College-Columbia University. Duy started the first laboratory school in Wisconsin and to our knowledge, will be the first Southeast Asian state assistant superintendent in Wisconsin history.

Duy earned his bachelor's degree from UW-Madison and master's degrees in Educational Leadership and Policy Analysis from Teachers College-Columbia University and UW-Madison. Duy and his wife have two children. His family loves the outdoors and spending time with family and friends.