Dr. Craig Steinmaus is a Public Health Medical Officer and Epidemiologist at the California Environmental Protection Agency's Office of Environmental Health Hazard Assessment (OEHHA). He is a faculty member of the Division of Epidemiology at the University of California at Berkeley (UCB) and of the Division of Occupational and Environmental Medicine at the University of California at San Francisco. He co-teaches several classes at the School of Public Health at UCB including Causal Inference and Meta-analysis, and Occupational and Environmental Epidemiology. He has performed numerous NIH-funded epidemiological studies on the health effects of drinking water contaminants such as arsenic and perchlorate. He is currently the Associate Director of the Arsenic Health Effects Research Program at UCB, which conducts local and international research projects on arsenic. He has performed published research studies on other common environmental and occupational contaminants including benzene, formaldehyde, and beryllium.