Balendu Bhooshan Upadhyay is an Associate Professor at the Department of Mathematics, Indian Institute of Technology, Patna. He received his Ph.D. from the Banaras Hindu University. Before his current role, he was an Assistant Professor at the National Institute of Technology Manipur. He is also a member of the Working Group on Generalized Convexity, the Operations Research Society of India, the International Society on Multi-Criteria Decision Making, and the Indian Mathematical Society. His research interests include fixed point theory, differential manifolds, bilevel and robust optimization, variational inequality, semi-infinite programming problems, nonsmooth multiobjective optimization, and mathematical programming problems with equilibrium/vanishing constraints.