DCEG Principal Investigators
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Principal Investigators

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Occupational and Environmental Epidemiology Branch (OEEB)

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  • Beane Freeman, Laura, Ph.D.
    Cancer risks associated with occupational and environmental exposures, including formaldehyde, drinking water contaminants, and those found in agriculture.
  • Berndt, Sonja I., Pharm.D., Ph.D.
    Genetic epidemiology of cancer, particularly prostate cancer, non-Hodgkin lymphoma, and colorectal neoplasia; genetic architecture of anthropometric traits; molecular biomarkers related to cancer.


  • Friesen, Melissa, Ph.D.
    Development and validation of retrospective exposure assessment of occupational risk factors to minimize exposure misclassification in epidemiologic studies of cancer.


  • Hofmann, Jonathan, Ph.D., M.P.H.
    Evaluating the role of agricultural exposures in the etiology of multiple myeloma and other cancers, understanding the biological mechanisms that influence the development and progression of multiple myeloma, and investigating the etiology of renal cell carcinoma


  • Koutros, Stella, Ph.D.
    Evaluation of occupational exposures as potential risk factors for cancer; exposure assessment and molecular studies within highly exposed populations to identify and clarify the biological mechanisms underlying chemical-induced carcinogenesis; and gene-environment interaction.


  • Lan, Qing, M.D., Ph.D., M.P.H.
    Molecular epidemiology studies of indoor air pollution and lung cancer, molecular epidemiology studies of benzene, trichloroethylene, and formaldehyde, and genetic susceptibility of non-hodgkin lymphoma


  • Moore, Lee E., Ph.D.
    Use of molecular markers to measure the biological effects of carcinogens in human tissues. Molecular epidemiology of environmental arsenic exposure and of bladder and renal cell carcinoma.


  • Purdue, Mark P, Ph.D.
    Molecular investigations into the etiologies of lymphoid malignancies and renal cell carcinoma; exposure to chlorinated solvents and cancer risk.




  • Ward, Mary H., Ph.D.
    Environmental exposures (drinking water contaminants and pesticides) and exposure assessment using Geographic Information Systems. Etiology of non-Hodgkin's lymphoma and gastric cancer.