Tapas K. Das, PhD, PE, BCEE,FAIChE, FICS,is a Chemical and Environmental Engineer, a Fellow member of the American Institute of Engineers and Indian Chemical Society; Past Chair of the AIChE's Environmental Division; Former Chair of the Air Pollution Control Committee of the American Academy of Environmental Engineers and Board Certified Environmental Engineer (BCEE) and Board of Trustee with the Academy; former senior environmental engineer at the Washington Department of Ecology; as an Adjunct Faculty Member and Visiting Professor, since 2005 Dr. Das has been teaching several undergraduate & graduate courses in Civil, Environmental,& Mechanical Engineering, and Engineering Managementprograms at Saint Martin's University, Washington; formerly Assistant Professor in Paper Science and Chemical Engineering Department and the College of Natural Resources at the University of Wisconsin at Stevens Point, and recipient of the Professor S. K. Sharma Medal and CHEMCON Distinguished Speaker Award for 2007 given by the Development Organization for Sustainable Transformation (DOST), Indian Institute of Chemical Engineers (IIChE); and the recipient of the AIChE Environmental Division Service Award in November 2016. Dr. Das holds a BS in Chemical Engineering from Jadavpur University in Kolkata, India, and PhD from Bradford University, England. Dr. Das was a postdoctoral fellow at London’s Imperial College of Science, Technology, and a visiting scientist at Princeton University. He has wide practical and theoretical experience in various areas including air toxics and aerosols, advanced industrial wastewater treatment for water reuse, solid waste management and combustion, profitable process pollution prevention, reuse, recycle, redesign,environmental process intensification, circular economy, life cycle process or product design as a tool for innovation, industrial ecology and eco-industrial park, sustainable engineering, and sustainability.Dr. Das is a registered professional engineer (PE) in the states of Washington and Wisconsin.Prof. Das is the author of two books: Industrial Environmental Management: Engineering, and Science and Policy, 1e (John Wiley & Sons, 2020); Toward Zero Discharge: Innovative Methodology and Technologies for Process Pollution Prevention (John Wiley & Sons, 2005); and 16 book chapters, and over 80publications.