Tonni Agustiono Kurniawan is a recognized global leader in tackling complex environmental problems that have significant societal relevance and positive impact in the world. His focus on sustained scientific research is evident from more than 355 journal articles, 25 articles in conference proceedings, twelve monographs, and 28 book chapters. To date, Kurniawan is the first author of 15% of the works with an h - index of 68 and citations of over 19,500 counts (Scopus), while being the corresponding author of one third of the same works. The scientific contributions are tangible manifestations of his competence and research impact in the discipline. Abdelkader Anouzla received his Ph.D. in Science & Technology at Hassan II University -Faculty of Science and Technology Mohammedia, specializing in water treatment. Dr.

Abdelkader Anouzla has published almost 100 peer-reviewed articles and twenty books. He has been invited as a guest speaker to several conferences and has also published his research in numerous proceedings. His research interests include water and waste treatment, wastewater treatment plant operation, leachate discharge treatment, solid waste sorting, technical landfill management, composting of solid waste and sludge from wastewater treatment plants, water-food-energy nexus, microplastic pollution, digitalization in the water sector and nitrogen pollution.