He founded an international autonomous robotics competition called Robofest in the 1999–2000 academic year[3] as well as numerous educational programs for youth by integrating STEM (Science, technology, engineering, and mathematics), arts, autonomous robotics, and computer science.

His first professional job was teaching middle school math as a part-time instructor at YMCA Academy in Seoul in 1979.

He worked for Korea Electric Power Corporation to develop an online customer information system with COBOL and IMS Databases using IBM 3031 mainframe computer in 1981–1982.

[7] Wei-Wen Chang, his Master's student and Chung won the 1st place award in 3D design optimization competition sponsored by HONDA R&D Europe GmbH as a part of the IEEE World Congress in Computational Intelligence Conference in 2002.

[20] He launched numerous integrated educational programs in computer science and STEAM fields such as RoboParade[21][22][23] a parade of autonomous vehicles in 2006, RoboFashion and Dance Show[24] in 2007, Vision Centric robot Challenge (Vcc)[25] in 2007, Robot Music Camp in 2013,[11] Global Robotics Art Festival (GRAF)[21] in 2013, WRO-USA[4] in 2014, CS+PA^2: Learning Computer Science with Physical Activities and Animation [26] [12] in 2018, and Robofest eAcademy with Elmer Santos in 2019.