Trung is a math and computer science teacher at Pacific Collegiate School since 2013. At PCS, he has advised and sponsored activities such as the Math Club, Girls Who Code, PCS Mathlete, and badminton. He is particularly interested in finding ways to constructively incorporate technology into classroom, promoting female participation in STEM fields, and using Desmos animations to illustrate concepts. Prior to teaching, he studied computer science and worked as a software engineer in industry.