Dr. Gill has been with Nalco R&D for 39 years. He obtained his Ph.D. in Chemical Technology from the IIT, Roorkee, in India. He was a visiting scholar to the University of Perugia, Italy and University of Salford U.K during 1974-76. He was a research professor at the State University of New York, Buffalo, NY. He joined Calgon in 1979 where he managed scale/deposit/corrosion core-competency. Currently he is a Senior Research Fellow at ECOLAB/Nalco Company in the Water Centric R&D. He is the inventor/co-inventor of 40 US patents and several foreign patents. Dr. Gill has published and presented over 125 papers and has been an invited speaker to various technical symposiums and training courses. He has chaired technical sessions at NACE, IWC, CTI, and ACS. His research interest include, Geothermal, Oil-sand and Heavy Oil, Ion exchange, Crystal Growth, Corrosion and Aqueous Thermodynamics and Kinetic Modeling. He is the recipient of multiple Chairman’s awards, Golden Odyssey, IR-100 award and DOE grant with Argonne National Lab. He is a member of NACE and GRC.