- Landcare Research Gerald Street, Po Box 40, Lincoln. Canterbury 7640 NEW ZEALAND
- Research Centre for Mined Land Rehabilitation (CMLR) University of Queensland, Brisbane, 4072 AUSTRALIA
- National Research Centre for Environmental Toxicology (ENTOX) University of Queensland, 39 Kessels Road, Coopers Plains, Brisbane, Queensland, 4108 Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE) in collaboration with the Centre for Environmental Risk assessment and Remediation. University of South Australia Mawson Lakes Campus, SA 5095 AUSTRALIA
- Alterra and Wageningen University, Wageningen UR Environmental Risk Assessment / Aquatic Ecology and Water Quality Management Postal address: P.O. Box 47, 6700 AA Wageningen, The Netherlands
- Laboratory of the Centre for Mined Land Rehabilitation (CMLR), The University of Queensland (UQ)
- Queensland Health Forensic and Scientific Services (QHFSS), Brisbane, Australia
- International Society of Environmental and Rural Development (ISERD) Prof. Dr. Machito MIHARA Executive Secretary Faculty of Regional Environment Science,Tokyo University of Agriculture,1-1-1 Sakuragaoka Setagaya-ku, Tokyo 156-8502, Japan
- Faculty of Regional Environment Science, Tokyo University of Agriculture, 1-1-1 Sakuragaoka Setagaya-ku, Tokyo 156-8502, JAPAN
- Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE) in collaboration with the Centre for Environmental Risk assessment and Remediation. University of South Australia, Mawson Lakes Campus, SA 5095 AUSTRALIA
- Loyola University with Dr.Tham Hoang, Ph.D. Ecotoxicology and Risk Assessment Laboratory Center for Urban Environmental Research and Policy (CUERP), Department of Environmental Sciences, Quinlan Life Sciences Building-324, Loyola University Chicago. 1032 W. Sheridan Road Chicago, IL 60626 under colloboration research Project Title: Tropical waters: Compliance tools development for water quality criteria in the Mekong watershed: Development of a tropical copper biotic ligand model and species sensitivity distribution
- Kangwon National University, Korea Korea Biochar Research Center, Environmental Remediation and Restoration Laboratory
- Ehime University, Hokkaido University, Tottari University, Tokyo University, Kochi University, Japan
- Visiting Professor, Tsukuba University, Japan
- Invited Professor, Hirosaki University, Japan
Scientific Membership: World Association of Soil and Water Conservation (WASWC), International Society for South East Asian Agriculture Sciences (ISSAAS), Society of Environmental Toxicology and Chemistry, USA, The Environmental Engineering Association of Thailand, The Toxicological Society of Thailand, Thai Society of Higher Education Institutes on Environment (TSHE), Thailand