Hyun-Joon Ha is presently Professor at the Department of Chemistry, Hankuk University of Foreign Studies, in South Korea. He obtained a PhD from Brown University, USA. His research interests include heterocyclic chemistry, stereoselective synthesis, enzyme and medicinal chemistry. He published over 160 peer reviewed original research papers and holds 28 patents. He published three books including a recent one “Synthesis of 4- to 7-membered Heterocycles by Ring Expansion: Aza-, oxa-and thiaheterocyclic small-ring systems in 2016. He was awarded the 2011 ACP Lectureship Award, (ICCEOCA-6), Asian Core Program (ACP), the 2012 Sigma-Aldrich (Korea) Award, and the 2015 Award of Researches in Organic Chemistry, Division of Organic Chemistry, KCS.