Serafin is an Indigenous scholar and native speaker of Huanca Quechua, an endangered variety spoken in the central highlands of Peru. He has recently been named Indiana University Bicentennial Professor. He is a sociolinguist, educational linguist, ethnographer, lexicographer, and translator. He has delivered lectures and presented papers around the world. His research appears in a good number of book chapters published by Cambridge University Press, Oxford University Press, Routledge, Multilingual Matters, Wiley-Blackwell, Springer, SAGE, Wilson, Cambridge Scholars Publishing, UNESCO, Nova Science Publishers, among others. His research also appears in several top international journals. He was a Guest Co-editor for the Special Issue on Language Contact and Universal Grammar in the Andes (2012, Lingua).