Dr. Rafiq Ahmad serves as a Research Professor at the 'New-senior' Oriented Smart Healthcare Education Center, Pukyong National University, South Korea. He earned his B.Sc. (Honors) in Zoology from Aligarh Muslim University and an M.Sc. in Biotechnology from KIIT, Bhubaneswar, India. In 2014, he received his Ph.D. from the Department of BIN Fusion Technology at Chonbuk National University. His postdoctoral research was conducted at the School of Chemical Engineering at the same university from March 2014 to February 2017, after which he continued as a contract professor until 2018. Subsequently, he joined the Electrical Engineering Department at King Abdullah University of Science and Technology (KAUST) in Saudi Arabia as a Postdoctoral Fellow from 2018 to 2019. Upon returning to India, he was appointed as a Ramalingaswami Fellow (Assistant Professor) at the Centre for Nanoscience and Nanotechnology, Jamia Millia Islamia (a Central University), where he worked until 2023. His current research is at the cutting edge of Material Science, focusing on the design and development of novel chemical and biological sensors, as well as solar cell technology. To date, he has published over 100 manuscripts in peer-reviewed, high-impact international journals, and has obtained two patents.