Jeong plays a key role in the Korea Suzuki Association as the president and Teacher Trainer. He is recognized internationally as a leader in the field of the Suzuki Method for workshops, master classes and clinics, often related to Suzuki Talent Education, have taken him throughout Australia, China, Europe, Indonesia, Japan, Malaysia, Philippines, Singapore, Taiwan and Thailand.
He was participated the 1st International Teacher Trainers’ Conference hosted by International Suzuki Association in Boston, United States of America. He has participated lots of international competition as a jury members and also he is the chair of International Han-Music Festival and Competition in Korea. He is associate professor of violin and Suzuki Pedagogy at the Total Arts Graduate School of Kookmin University in Seoul-Korea. He is appointed the place for the chancellor of the International Arts College in Jeonju-Korea./span>