Chong Wu Yi received his BSc. degree in physics from the University of Malaya, Kuala Lumpur, Malaysia, in 2003. He completed his post-graduate studies by obtaining a MSc. degree in 2007 and a PhD degree in 2011, carrying out researchworks at the Photonics Research Centre, University of Malaya. He is currently an Associate Professor in the Photonics Research Centre, University of Malaya. He has been involved in the research and development of optical fibre amplifiers/lasers, photonics integrated circuit fabrication, nonlinear optics and high power laser processing. His current research interests include laser microfabrication, optical sensing and integrated optics.

Dr Rama is a Public Health Medicine Specialist and Occupational Health Physician with experience in the field of occupational health and occupational medicine. He has provided essential occupational health services to various job sectors while serving under the Department of Occupational Safety (DOSH) before pursuing postgraduate studies. He completed his training under the Faculty of Occupational Medicine - Royal College of Physicians Ireland (RCPI) and obtained the Licentiateship of Faculty of Occupational Medicine (LFOM) in 2015. Following that he completed his Master of Public Health (MPH) with distinction and Doctor of Public Health (DrPH) at University of Malaya in 2019. His thesis was titled “Development and evaluation of a hearing conservation programme (HCP) among vector control workers”. After graduating, he returned to serve the Ministry of Health under the Selangor State Health Department and subsequently joined the Occupational and Environmental Health Sector in Putrajaya. Currently he is medical lecturer and occupational health physician at the Department of Social and Preventive Medicine. His area of interest and expertise mainly includes risk assessment at workplaces, conducting medical surveillance and implementation of occupational disease prevention programs at workplace. He is also a Good Clinical Practice (GCP) certified researcher with research interest in strategies to prevent noise-induced hearing loss (NIHL) including hearing conservation programs.

DR. WANG KAH LUN presently serves as a Senior Lecturer at the Institute of Mathematical Sciences, Faculty of Science, Universiti Malaya. He earned first-class honors in Bachelor of Science in Mathematics from Universiti Malaya in 2016, followed by the completion of his Master of Science in Mathematics at Universiti Kebangsaan Malaysia in 2018. Continuing his academic journey, he pursued a Doctor of Philosophy in Mathematics at Universiti Malaya, successfully obtaining his degree in 2023. Since obtaining his Ph.D., he has been actively involved in research focused on the intricate domain of group theory. Dr. Wang's primary research interest lies in the field of group theory, a branch of abstract algebra. His scholarly endeavors concentrate on the analysis of group factorizations, with a particular emphasis on complete decompositions and complete factorizations of groups, marking significant contributions to the field.