Dipak K. Mandal is a former professor of chemistry at Presidency College/University, Kolkata, India. He completed his doctoral thesis under the supervision of Professor N. K. Sinha at the Bose Institute, Kolkata and carried out postdoctoral work in the USA from 1990-1993 with Professor C. Fred Brewer at Albert Einstein College of Medicine, New York. He has been involved in teaching undergraduate and graduate level organic chemistry for about 35 years and is the author of the books titled Pericyclic Chemistry (Elsevier, 2018) and Stereochemistry and Organic Reactions (Academic Press, 2021). His keen interest in chemical education resulted in three publications in the Journal of Chemical Education. His research interests include protein folding, structure and dynamics, and peptide synthesis. He was actively engaged in guiding research and published many research papers in peer-reviewed international journals.