Heemyeong was born in Korea and studied at the Korea National University of Arts under Professor Nam Yun Kim. He entered Yewon Arts School in 2005 and Seoul Arts High School in 2008 and the Korea National University of Arts in 2009 before enrolling at the Hochschule für Musik und Tanz and eventually the Hochschule für Musik Saar and the Musikhochschule in Essen where he studied under Professor Andreas Reiner. He has won First Prize at both the Strad and Seoul Youth String Quartet competitions, the MBC Busan Competition and the Joongang Competition. Heemyeong is active as a chamber musician and has been awarded prizes as a member of Trio Cascara, including victory at the Cologne Competition and the London Virtuoso Competition. The Trio was also semifinalists at the Schubert competition in Graz and the ARD competition in Munich.