Ratnasingham Shivaji
Ratnasingham Shivaji is an American mathematician, focusing on applied mathematics and mathematical biology, currently the H. Barton Excellence Professor at University of North Carolina at Greensboro and formerly a W. L. Giles Distinguished Professor at Mississippi State University.Shivaji completed his undergraduate studies at the University of Peradeniya, Sri Lanka, in 1977, graduating with a First-Class degree.
He was included in the 2019 class of fellows of the American Mathematical Society "for contributions to the theory of semipositone elliptic questions applied to reaction-diffusion systems, for mentoring, and for providing leadership for the inception of a doctoral program in mathematics". Provided by Wikipedia