Karthikeyan Vasudevan is Chief Scientist at the Laboratory for the Conservation of Endangered Species, a lab of CSIR-Centre for Cellular and Molecular Biology. His research focussed on reptiles and amphibians, revealed previously undocumented biodiversity, and identified key factors that regulate reptile and amphibian communities in tropical forests and human-modified habitats. It has contributed data for conservation planning and the implementation of species recovery plans. His work on the disease ecology of a pandemic in amphibians that caused extinctions has highlighted the role of sub-clinical infections on their population. His work on toxinology of viper and krait venoms in India focuses on improving snake envenomation outcomes.