Professor of Microbiology and Immunology and the Director of the Center for Molecular Parasitology at Drexel University College of Medicine,Philadelphia,USA. His focus area of research is understanding basic molecular functioning of malaria parasites with a view to develop new antimalarial drugs. He has carried out seminal research on mitochondrial physiology and bioenergetics in malaria parasites as well as on mechanisms of antimalarial drug action and resistance.His research interests also include parasite genomics,and global health challenges.He has served and continues to serve on numerous review panels at NIH,NSF,CDC and Veterans Administration.