Mousumi Sen, PhD, is an assistant professor in the Department of Chemistry, Amity University, Uttar Pradesh, India. She obtained her doctorate in bioinorganic chemistry from the Indian Institute of Technology, Delhi, India. Her research focuses on sustainable development, cost-effective, and environmentally friendly processes. Her research interest is focused on the development of sustainable, cost-effective, and environmentally friendly processes for processing and converting waste to generate energy, fuels, and biobased chemicals. She has published many peer-reviewed research articles in journals, edited book chapters, and authored one book.