Jangwon is a COO/Co-Founder of Mapiacompany Inc., a music-tech startup based in Seoul, Tokyo, and Singapore that operates multiple music IP platforms across Asia. Prior to founding Mapiacompany, he founded two tech startups and an NGO that supported higher education for war-torn youth of the nation Burundi. He is also an amateur pianist with published songs, an angel investor of several notable startups across Seoul, HK, and US, and a Forbes 30 Under 30 Asia 2018. He is still in undergraduate program of Seoul National University College of Business Administration.