Heesun Yang is a full professor in the Department of Materials Science and Engineering at Hongik University in Korea since 2006. Yang was awarded his Ph.D. degree in Materials Science and Engineering from University of Florida and his Master/bachelor's degrees in Ceramic Engineering from Yonsei University in South Korea. After obtaining his Ph.D. degree, he conducted two-year postdoctoral research at University of Florida and then joined Hongik University in 2006. During the last two decades, he dedicated all his efforts to the synthesis of semiconductor quantum dots with representative compositions of the II-VI, III-V, and I-III-VI families and their applications to optoelectronic devices. He has published over 170 peer-reviewed articles (H-index 49 (Google Scholar) with citations of >8400 and i10 index of 118_Google Scholar).