Dr. Tiwari obtained his BSc from Deen Dayal Upadhyaya Gorakhpur University, MSc in bioinformatics from Devi Ahilya University, and PhD in bioinformatics from the Department of Genetics, Ecology and Evolution, Federal University of Minas Gerais, Brazil. He is a Guest Associate Editorial Board of Frontier in Genetics and frequently serves as an external reviewer for PeerJ and Frontiers. His main areas of expertise are molecular genetics, genomic sequencing, and comparative genomics of microorganisms, with a focus on pan-genomics, genomic plasticity in the identification of pathogenicity islands and virulence factors for drug discovery, phylogenomic, molecular epidemiology, reverse vaccinology, and immunoinformatic.