Dr. L. John Kennedy is the Associate Professor and Division Chair in the Physics Division, School of Advanced Sciences, VIT University Chennai, Tamil Nadu, India. He obtained his M.Sc and M.Phil degree in Physics at Loyola college Chennai. He obtained his doctoral degree in the interdisciplinary area of Physics - Environmental Technology from CSIR - Central Leather Research Institute (CLRI). He has published 168 research publications in scopus indexed international journals and has 9 patents. He is also the periodic reviewer of several international journals. His areas of research are in the fields of nanomaterials for Energy and Environment.