Zeeshan Ahmad Khan is pursuing his second postdoctoral fellowship at Inje University, after successfully completing three years at post-doctoral fellow Korea University of Technology and Education, both at the Republic of Korea. He holds a M. Tech (biotechnology) from Maulana Abul Kalam Azad University of technology. He received his Ph.D. in Biotechnology from the Institute of Bioresources and sustainable development, India. His research interests include the development of miniaturized devices for biomedical applications, environmental monitoring, electrochemical sensors, and nanotechnology. He is also interested in understanding the impact of artificial light at night on the clock genes, melatonin leading to metabolic and lifestyle disorders.