Nandan Sebastian Rosario has a PhD in Humanities and Social Sciences from the Indian Institute of Technology in Delhi with a thesis analyzing Visuality and Narrativity in the graphic novel. He has also published papers exploring visual iconography and comparative literature in literary journals such as the Journal of Comparative Literature and AestheticsTba: Journal of Art, Media, and Visual Culture and Scattered Pelican Journal.

He has taught English Literature and Creative Writing. His first novel Ichor, a chilling work of psychosexual suspense finds two brothers in the heart of Kerala navigate a terrible betrayal that will haunt them across their lifetimes – along with Aanya, the forest spirit-creature child-woman that caused it.