Chun received his dental degree from the University of Melbourne with honours. He commenced his dental career at the Goulburn Valley Base Hospital in Shepparton before moving up to Albury. He worked with Dr. Michael Wilkinson at Smollett St. Dental between 2004 and 2011 and briefly in Melbourne before commencing his postgraduate training in Orthodontics at the University of Sydney.
He is a member of the Royal College of Surgeons Edinburgh, a member of the Australian Orthodontic Society and Australian Dental Association. Outside of Orthodontics, he has been a demonstrator in General Dentistry for undergraduate students at both the Shepparton Base Hospital Dental Clinic and the University of Melbourne teaching clinics. He has spent time volunteering for the dental branch of the Royal Flying Doctors Service.
Besides work, Chun enjoys playing tennis, watching the AFL as an avid Hawthorn supporter and last but not least, spending time with his wife, Sarah, also a specialist Dentist.