AZ. Prior to that he was in the faculty at Clarkson University in Potsdam, NY. His expertise is in the science of sustainable materials for buildings and infrastructure. He is credited with developing, characterizing, and modeling novel cementitious materials that have lower carbon footprints, lower resource and energy implications, and lasts much longer, for use in infrastructural systems. He has authored more than 100 international journal and conference articles, and has delivered keynote lectures in several conferences within and outside the United States. His research on novel materials has been acknowledged by several awards including a CAREER award by the National Science Foundation.