Helmut Zarbl is a principal investigator in the Department of Environmental and Occupational Medicine at the University of Medicine and Dentistry of New Jersey. Prior to this he was a full member in the Divisions of Human Biology and Public Health Sciences at the Fred Hutchinson Cancer Research Center (FHRCR). He was the director and a principal investigator for the National Institute of Environmental Health Sciences (NIEHS)-sponsored FHFRC/University of Washington Toxicogenomics Research Consortium. His areas of expertise are in DNA microarray technology development and functional genomics and toxicogenomics, in particular understanding tissue, strain, species, and intraindividual differences in response to environmental toxicants through gene expression analysis. He is currently an affiliate professor at the University of Washington (UW) in the School of Medicine (pathology) and the School of Public Health and Community Medicine (toxicology). He is also a member of the UW/NIEHS Center for Ecogenetics and Environmental Health, where he is the director of Functional Genomics Core. Previously, he was an associate professor at MIT He earned his Ph.D. in biochemistry from McGill University.