Dr. Chang-Sik Ha, teaches in the Department of Polymer Science and Engineering at the Pusan National University. His current research focuses on the Structure and Properties of Multicomponent Polymer System; Functional Polymers for Flexible Display ; Materials for Drug Delivery Systems or Flexible Substrates; Mesoporous Materials and Nanostructured Materials; Organic/Inorganic Nanohybrid Materials. Dr. Ha, Chang-Sik has published 700 refereed journal papers, 72 patents and 22 books or book chapters.

Dr.Chang-Sik Ha,'s research interests include: Structure and Properties of Multicomponent Polymer System Functional Polymers for Flexible Display Materials for Drug Delivery Systems or Flexible Substrates Mesoporous Materials and Nanostructured Materials Organic/Inorganic Nanohybrid Materials