Dr Jestin Chellian, PhD, is an Assistant Professor of Pharmacology at the PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, with over a decade of experience in academic pharmacology and translational biomedical research. He obtained his PhD in Medical and Health Sciences (Pharmacology) from International Medical University, Malaysia, following an M.Pharm in Pharmacology and a B.Pharm in Pharmacy from The Tamil Nadu Dr. MGR Medical University, India. His research focuses on diabetes and cardiovascular disorders, neurodegenerative diseases, respiratory pharmacotherapy, and innovative drug delivery systems, with influential publications on quercetin–metformin synergy in endothelial dysfunction, marine-derived hypoglycaemic agents, and nanocarrier-based delivery of phytoconstituents in leading international journals. A registered pharmacist with The Tamil Nadu State Pharmacy Council and life member of the Malaysian Diabetes Association, Dr Chellian has been recognized with Best Oral Presentation and Best Poster awards for his work on hepatoprotection and green-synthesized nanoparticles, and serves regularly as a reviewer and mentor in pharmacy and biomedical sciences.