Dr. Tapas K. Das, PE, BCEE, is a Chemical and Environmental Engineer, a Fellow member of the American Institute of Engineers (FAIChE); Past Chair of the AIChE's Environmental Division; Taught a number of Short Courses at Co-locations where AIChE Spring and Annual Meetings were held; Board Certified Environmental Engineers (BCEE) and Board of Trustee with the American Academy of Environmental Engineers; former senior environmental engineer at the Washington Department of Ecology; as an Adjunct Faculty and Visiting Professor, Dr. Das, since 2005, has been teaching several undergraduate & graduate courses in Civil, Environmental, & Mechanical Engineering, and Engineering Management programs 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 Service Award by the AIChE Environmental Division. Dr. Das holds a BS in Chemical Engineering from Jadavpur University in Kolkata, India, and PhD from Bradford University, Bradford, England. Dr. Das was a postdoctoral fellow at London’s Imperial College of Science and Technology, and a visiting scientist at Princeton University. He has wide practical and theoretical experience in various areas including air toxics and aerosols and particle sizing; 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 Chemical Engineer in the states of Washington and Wisconsin. Dr. Das is the author of two books: Industrial Environmental Management: Engineering, and Science and Policy (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 60 publications.