A Sivathanu Pillai is an Indian scientist who formerly served as Honorary Distinguished Professor at Indian Space Research Organisation (2015-2018) and an honorary professor at IIT Delhi in the Department of Mechanical Engineering (2015-2016) and a Visiting Professor at Indian Institute of Science (2014-2015). He is the President of Project Management Associates and is the former chairperson of the board of governors of the National Institute of Technology, Kurukshetra.