Member of Environmental Mutagen Society
Member of Society of Toxicology
Member of Society for Experimental Biology
Member of Society for Environmental Toxicology and Chemistry American
Member of Association for the Advancement of Science

Organizing committee member of International Conference on Environment Simulation and Pollution Control in Beijing, China
Organizing committee member of The First International Symposium on Microbial Fuel Cell in China
Organizing committee member of The Third Asian Biohydrogen Symposium /Harbin BioHylinks Meeting in China
Organizing committee member of Annual Conference China Environmental Science Society of Professional Marine Environment Protection Committee Harbin, China
Organizing committee member of The 2006 International Bio-hydrogen Forum Harbin, China Organizing committee member of The Eighth National Conference on Environmental Microbiology Harbin
Organinzing and academic committee member of The Eighth National Conference on Environmental Microbiology Harbin
Organizing committee member of The 3rd Annual World Congress of Industrial Biotechnology China
Organizing committee member of 2010 Annual Meeting and International Symposium on Microbial Ecology in China
Organizing committee member of The 2010 Asian Bio-Hydrogen Symposium and the 2010 APEC Advanced Bio-Hydrogen Technology Conference

Member of Sigma Xi
Member of Society of Wood Science and Technology
Member of Forest Products Society
Member of Forest Products Society Student Chapter (Virginia Tech)

Member of Society of Toxicology
Secretary Treasurer of Reproductive Developmental Toxicology Specialty Section
Member of Scientific Program Committee
Member of Society for the Study of Reproduction
Member of Scientific Program Committee
Member of Committee on Reproduction and the Environment (CORE)
Member of Animal Care Committee
Member of The Canadian Fertility and Andrology Society
Member of Scientific Program Committee

Member of Pup and Paper Technical Association of Canada (Paptec)
Member of Sigma Xi
Member of American chemical society

Australasian Society of Ecotoxicology (ASE)
Society of Environmental Toxicology and Chemistry (SETAC)
National Accreditation Authority for Translators and Interpreters (NAATI)
Ecological Society of Australia
Australian Chinese Painting Society Alumni Association in University of New South Wales Spanish Ornithological Association

Post-Doctoral Member of Society of Toxicology
Post-Doctoral Member of Society for Neuroscience
Post-Doctoral Member of National Post-Doctoral Association

Advisory Committee Member of Southern California Center for Environmental Research Organizing Committee Member of NIH, EPA Workshop in Environmentally Induced Cardiovascular Disease
Organizing Committee Member of EPA Center Director’s Meeting, Los Angeles, California External Advisory Committee Member, U.S. EPA State of the Environment Report
Member of NIH ZRG1 CDF-3 S10 study section
Member of NIEHS Special Study Section on Mentored Training Program Grants
Member of NIEHS Special Study Section on Mentored Training Program Grants
Member of EPA study section on Nanoparticles Research Grants
Member of NIEHS Special Study Section on Superfund Research Application
Member of NIEHS Special Study Section on K-08 training grants and K-24 grants
Member of Organizing Committee, The Role of Air Pollutants in Cardiovascular
Member of EPA study section on Coarse Particle Reseach Grants
Member of Organizing Committee , EPA Center Director′s Meeting
Member of NCI special study section on Lung Cancer and Inflammation
Member of AWMA delegation to China
Member of Program Committee, Environmental and Occupational Health

Member of Mitochondria Research Society
Member of American Radiation Research Society
Member of American Society of Toxicology
Member of The Society for Experimental Biology and Medicine

Member of Environmental Mutagen Society
Member of American Association for Cancer Research
Member of Society of Toxicology

Member of the International Conference Committee for the 11th International Conference on the Biogeochemistry of Trace Elements
Thesis committee member for two MS graduate students and co-supervisor for three Scientific advisory member of the national committee formed by the Cypriot Ministry of Health regarding the Arsenic exposure assessment and epidemiologic study in the As-impacted Cypriot region of Mammari
Scientific advisory member in the committee of the Ministry of Agriculture,
Natural Resources and Environment of Cyprus investigating the source of groundwater As pollution in the As-impacted Cypriot region

Member of Society of Toxicology
Editorial board Member in Theoretical Biology Insights

Associate Editor and Editorial board member of Soil Science Society America Journal Editorial board of Journal of Agriculture Science and Technology
Vice-Chair of regional coordination committee for trickle irrigation
Chair of Awards Committee

Member of Endocrinology peer review panel of the Breast Cancer Research Program for the Department of Defense Congressionally Directed Medical Research Programs (CDMRP)
Member of Molecular Signaling, Region II Peer Review Committee Meeting, American Heart Association
Member of Molecular & Cellular Biology & Genetics Review Panel, Susan G. Komen Breast Cancer Foundation
Member of Epi, Exposure Assessment & Lab Methods Review Panel, National Institute for Occupational Safety and Health (NIOSH)
Member of Intramural Program Grant Review Panel, National Institute for Occupational Safety and Health (NIOSH)
Member of Tumor Cell Biology Review Panel, Susan G. Komen Breast Cancer

Member of Society of Toxicology
Member of American Thoracic Society
Member of Genotoxicity & Environmental Mutagen Society
Member of North Carolina Chapter of Society of Toxicology
Member of south Central Chapter of Society of Toxicology
Member of Mississippi Academy of Science