Chun was born at St. Elizabeth's Health Center in Youngstown, Ohio[1] to a Korean-American family.
[2] Through childhood, his parents encouraged him to pursue a career as a doctor or lawyer but he wished to remain involved in sports.
[3][2] Upon graduating in 1997, Chun accepted a sports information internship with the athletic department at Ohio State University, where he remained for 15 years.
[7] The following year, he was appointed the National Association of Collegiate Directors of Athletics's third Vice President following the 2021 Convention.
[8] In May 2021, Washington State University agreed to a contract extension with Chun through 2026 that would increase his base salary to $700,000.