Dr. Maulin P. Shah is an active researcher and scientific writer in his field for over 20 years. He received a B.Sc. degree (1999) in Microbiology from Gujarat University, Godhra (Gujarat), India. He also earned his Ph.D. degree (2005) in Environmental Microbiology from Sardar Patel University, Vallabh Vidyanagar (Gujarat) India. His research interests include Biological Wastewater Treatment, Environmental Microbiology, Biodegradation, Bioremediation, & Phytoremediation of Environmental Pollutants from Industrial Wastewaters. He has published more than 250 research papers in national and international journals of repute on various aspects of microbial biodegradation and bioremediation of environmental pollutants. He is the editor of 200 books of international repute (Elsevier, RSC, Nova Sciences, De Gruyter, Springer, Wiley, IOP and CRC Press). Susana Rodríguez-Couto (female) got her B.Sc. and M.Sc. in Chemistry (Industrial Chemistry) from the University of Santiago de Compostela in 1992 and her Ph.D. in Chemistry in 1999 from the University of Vigo, obtaining the maximal grade (magna cum laude) and, in addition, she was awarded with the Extraordinary Prize for Doctoral Thesis in Chemistry. She worked as an Associate Professor and an Isidro Parga Pondal Senior Researcher at the University of Vigo (2000-2004), as a Ramón y Cajal Senior Researcher at Rovira i Virgili University (2004-2008) and as an Ikerbasque Research Professor (2009-2019). She has also worked as an Invited Researcher at the Institute from Environmental Biotechnology, Graz University of Technology (Austria) and at the Department of Biological Engineering, University of Minho (Portugal). In 2008, she received the I3 Professor from the Spanish Ministry of Science and Education to the recognition of an outstanding research activity. In March 2021 she is joining LUT School of Engineering Science at Mikkeli, Finland, as a Full Professor in biological water treatment. She has published more than 140 articles in highly reputed international journals (h index 42). She is editor of several journals (3Biotech, Frontiers) and 14 Elsevier books.