Dr Vandana Prasad is an evolutionary biologist interested in the early history of grasses, high resolution biostratigraphy, biotic turnover, paleo-environment and relative sea level change during the Late Cretaceous-early Palaeogene. She is the former Director of the Birbal Sahni Institute of Palaeosciences, Lucknow, India. She was awarded a Fellowship to study the Palaeogene flora of India and South American subcontinents at the Smithsonian Tropical Research institute, Panama. She has worked on coprolites and has used them to examine dinosaur diets; the studies suggest a diet of grasses for several dinosaurs.