Dr. Qamrul Hasan Ansari is a professor in the Department of Mathematics, Aligarh Muslim University, Aligarh, India. He has published more than 200 research papers in internationally repute journal. He is the associate editor of Journal of Optimization Theory and Applications, Fixed Point Theory and Applications, Carpathian Journal of Mathematics, Fixed Point Theory (Romania), etc. He has acted as a guest editor of several internationally repute journals, namely, Positivity, Journal of Global Optimization, Applicable Analysis, Journal of Fixed Point Theory, etc. He is listed in the top cited 800 mathematicians of the world since 2007. In the year 2017, he is placed at 200th position. He is regular visitor of several universities around the world. He is the author of a book on Metric Spaces by published by Narosa and co-author of a book on Generalized Convexity and Nonsmooth Variational Inequalities, Published Taylor & Francis, CRC Press. He has edited more than 8 booked published by Springer, Taylor & Francis, Elsevier, etc. He is most cited person in his department with more than 3000 citation and with h-index 33.