Dr. YAP is an academician for more than 18 years in UPM and 23 years as a researcher, He has supervised more than 77 undergraduates and 30 postgraduate students in the fields of ecotoxicology, environmental biology, environmental sciences, water quality and ecotoxicological genetics. His research area is mainly focused on biological sciences, agricultural sciences, environmental biology, environmental safety, ecotoxicology and pollution. He has published more than 300 papers in refereed academic journals, 4 books and 32 book chapters. Until January 2021, 196 of them have now been indexed in Elsevier’s Scopus with an H-index of 29 (>2618 citations). He has also been invited in honorary as Editorial Board members for more than 45 international academic journals. His biography has been selected for inclusion in the Marquis Who’s Who in the World. He has been an Invited Professor at Nihon University (Japan) and Hokkaido University (Japan), and an Invited Researcher at National Institute of Environmental Science (Tsukuba, Japan) and Kobe University (Japan).