Lawrence K. Wang has served the society as a professor, inventor, chief engineer, chief editor, and public servant (UN, USEPA, New York State) for 50+ years, with experience in the field of environmental science, technology, engineering, and mathematics (STEM). He is a licensed Professional Engineer, a certified Laboratory Director, a licensed Water Operator, and an OSHA Hazardous Waste Management Instructor. He has expertise in developing various innovative technologies, educational programs, licensing courses, international projects, and humanitarian organizations, all for promoting world peace. He is a retired Acting President/Professor of the Lenox Institute of Water Technology, USA; a Senior Advisor of the United Nations Industrial Development Organization (UNIDO), Vienna, Austria; and a former Professor/Visiting Professor of Rensselaer Polytechnic Institute, Stevens Institute of Technology, University of Illinois, National Cheng Kung University, Zhejiang University, and Tongji University. He is the author of 750+ papers and 50+ books and is credited with 29 invention patents. He holds a BSCE from National Cheng‑Kung University, Taiwan, ROC; an MSCE from the University of Missouri‑Rolla; an MS from the University of Rhode Island; and a PhD from Rutgers University, USA. Currently, he is the book series editor of CRC Press. He has been a Delegate of the People to People International Foundation, a Diplomate of the American Academy of Environmental Engineers, a member of ASCE, AIChE, ASPE, WEF, AWWA, CIE, and OCEESA, and a recipient of Water Environment Federation Kenneth Research Award (NY), Five‑Star Innovative Engineering Award (first dissolved air flotation drinking water plant in Americas), Ukraine Humanity Service Award (UNIDO Service to Ukraine), Korean Pollution Control Association Award (transfer of flotation technology to South Korea), and Overseas Environmental Engineers and Scientists Association Medal of Honor.Mu‑Hao Sung Wang has been an engineer of the New York State Department of Environmental Conservation, an editor of CRC Press, Springer Nature Switzerland, and Lenox Institute Press, and a university professor at the Stevens Institute of Technology, National Cheng‑Kung University, and the Lenox Institute of Water Technology. Totally, she has been a government official and an educator in the USA and Taiwan for over 50 years. Dr. Wang is a licensed Professional Engineer, and a Diplomate of the American Academy of Environmental Engineers (AAEE). Her publications have been in the areas of water quality, modeling, environmental sustainability, solid and hazardous waste management, NPDES, flotation technology, industrial waste treatment, and analytical methods. She is the author of over 50 publications and an inventor of 14 US and foreign patents. She holds a BSCE degree from National Cheng‑Kung University, Taiwan, ROC; an MS degree from the University of Rhode Island, RI, USA; and a PhD degree from Rutgers University, NJ, USA. She is the Coeditor of the Advances in Industrial and Hazardous Wastes Treatment series (CRC Press) and a member of AWWA, NYWWA, NEWWA, WEF, NEWEA, CIE, and OCEESA.Yung‑Tse Hung served as Professor of Civil Engineering at Cleveland State University, Cleveland, Ohio, USA, since 1981 until his retirement in 2024. He is a Fellow of the American Society of Civil Engineers, a licensed Professional Engineer in Ohio and North Dakota, and a Diplomate of the American Academy of Environmental Engineers. He has taught at 16 universities in 8 countries. His research interests and publications have been involved with biological treatment processes, solid wastes, hazardous waste management, and industrial waste treatment. He is credited with over 811 publications and presentations, 40 books, 242 book chapters, and approximately 198 peer‑reviewed journal articles in water and wastewater treatment. He received his BSCE and MSCE degrees from National Cheng‑Kung University, Taiwan, ROC, and his PhD degree from the University of Texas at Austin, USA. He is the Editor‑in‑Chief of International Journal of Environmental Pollution Control and Management, International Journal of Environmental Engineering, and International Journal of Environmental Engineering Science, and the Coeditor of the Advances in Industrial and Hazardous Wastes Treatment series (CRC Press). He is also the Permanent Executive Director and the Ex‑President of OCEESA (Overseas Chinese Environmental Engineers and Scientists Association).