William R. Hartley, PhD is a Professor of Environmental Health Sciences at the Tulane University School of Public Health and Tropical Medicine. Dr. William (Bill) Hartley is an environmental toxicologist with extensive training and experience in health risk assessment. He has participated in numerous local, state, national, and international practice and research programs for the State of Louisiana and is extensively involved in outreach programs. He is co-director of the Centers for Disease Control (CDC) and Prevention Research Center (PRC) at the Tulane University School of Public Health and Tropical Medicine, which is the first of its kind to focus on environmental diseases. Dr. Hartley is the author or co-author of more than 50 scientific publications in books, journals and government publications. He has served on numerous peer review panels for federal and state agencies, including the U.S. Environmental Protection Agency, the ATSDR and the State of Louisiana Office of Public Health. Dr. Hartley's research has included health risk assessment and development of advisories and standards in the areas of environmental contaminants from the explosives industry; pollution of fish and shellfish; air pollution; drinking water programs; mercury programs; hydrocarbon mixtures from the petroleum industry and drinking water disinfection by-products. He developed toxicological methods to screen chemicals for reproductive toxicity and endocrine disruption in fish and has used wild fish as bio-markers of exposure in aquatic environments.

Dr. Rabito is a Clinical Assistant Professor in the Department of Epidemiology. Her areas of expertise include environmental and social epidemiology, the design of innovative health surveillance programs, and the conduct of community-based randomized intervention trials. Currently, her areas of research include lead poisoning, pediatric asthma and spatial analysis. Dr. Rabito is the Principal Investigator of the New Orleans Healthy Homes Initiative project, and is the lead on the Community-based Environmental Lead Intervention Study and the project entitled Demolition Activities and Children’s Lead Levels in St. Louis City: A Time/Space Analysis. She teaches Epidemiology 603 using distance learning technology.

Dr. Wen Chao (Winston) Ho holds a doctoral degree from Tulane University majoring in Risk Assessment. He received his MPH in Epidemiology and Biostatistics from National Taiwan University. He has extensive experience in public health research including: health effects of
1) residential low dose radiation exposure;
2) lower frequency electromagnetic fields (EMF) exposure;
3) pesticide/herbicide exposure;
4) air pollution (furniture industry workers, residents near the cement industry and adolescents);
5) adolescent smoking intervention & prevention programs, and
6) overweight/obesity.

He is currently working on
1) Developing and implementing the new child and adolescent asthma research project in the New Orleans metropolitan area;
2) Participating in the health risk assessment and community based research program by assisting with ongoing projects in Satsuma, LA and the Vietnamese Community in Eastern New Orleans, and
3) Assisting in further development of the course “Health Assessment Data Analysis” for risk assessment graduate student and preparation of papers for publication in peer reviewed journals on the topics of childhood asthma, mercury intoxication and community-based research.