Ramesha Chandrappa is an alumnus of the Indian Institute of Technology-Madras, and has done professional courses at The University of Manchester, Ecole Polytechnique Federation De Lausanne (EPFL), the United Nations Institute of Training and Research (UNITAR), UNESCO-IHE, and the United National Department of Economic and Social Affairs (UNDESA). He has extensive experience collaborating with leading multinational and government organizations, and he is currently  Project Development Officer and Director Research (In charge) for the Environmental Management Policy Research Institute in Bangalore. His research interests include climate change, solid waste management, water and sanitation, and environmental education. Dr Diganta Bhusan Das holds a personal title Reader in Porous Media in the Department of Chemical Engineering at Loughborough University, UK. He has the work experience at the University of Oxford (UK), Technical University of Delft (the Netherlands), and many other places in Europe, USA and Asia. Dr Das is currently the Deputy Lead for the Research Challenge on Changing Environment and Infrastructure at Loughborough University and Deputy Director of Doctoral Research in the School of Aeronautical, Automotive, Chemical and Materials Engineering at the University. He has taught a variety of courses relating to environmental pollution control, water engineering, fluid mechanics, reaction engineering, and mass transfer processes. Dr Das is a keen collaborator and team builder on a range of multidisciplinary porous medium topics such as (i) coupled free and porous flow (e.g., leakage in fluid distribution pipes, membrane separation), (ii) two-phase flow in porous media (iii) membrane water treatment (iv) chemical transport in porous tissues and tissue engineering bioreactors.