Dr. Sanjeev Kumar Singh, Assistant Professor of Mathematics at V.S.S.D. College, Kanpur, specializes in Nonlinear and Nonsmooth Optimization, Interval-Valued Optimization, and Operations Research. He earned his Ph.D. on variational inequalities and interval-valued optimization, and M.Sc. in Mathematics from Banaras Hindu University. He has been teaching subjects like Differential Calculus, Algebra, Numerical Analysis, and Fuzzy Set Theory. He contributes to mathematical education and research.