Dr. Kamal Shah is a senior researcher in the Department of Mathematics and Sciences at Prince Sultan University, Riyadh, Saudi Arabia. His previous appointment was as an associate professor in the Department of Mathematics at the University of Malakand, Pakistan. His research interests are fractional calculus, nonlinear analysis, and numerical solutions of differential equations. He has published hundreds of research articles in internationally recognized journals and serves as an academic editor for many journals of high repute. He has supervised several doctoral and master’s students in the field of applied mathematics.