Dr. Wan Hafizi Wan Ishak is a Senior Lecturer in the Materials Science Program at the Department of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), and a member of the Polymer Research Centre (PORCE). His academic expertise lies in the development and application of advanced materials, particularly in the areas of 3D Printing, Hydrogels, Polymer Composites, Biopolymers, and Nanocellulose. His current research includes the development of stimuli-responsive hydrogels and the fabrication of 3D-printed biocomposites, supporting innovations in sustainable product design and smart materials.