L. Joseph Su, Ph.D., M.P.H.
Program Director, Modifiable Risk Factors Branch

L. Joseph Su

National Institutes of Health
National Cancer Institute
Epidemiology and Genomics Research Program
Division of Cancer Control and Population Sciences
9609 Medical Center Drive, Rm. 4E212, MSC 9763
Bethesda, MD 20892
(For express delivery, use Rockville, MD 20850)

Interest Areas

  • Dietary intake assessment
  • Biomarkers associated with cancer etiology and prognosis
  • Carcinogenic chemicals in foods
  • Molecular mechanisms that underlie cancer risk, such as epigenetic changes


  • Ph.D. - Nutritional Epidemiology
    University of North Carolina at Chapel Hill School of Public Health
  • M.P.H. - Public Health Nutrition
    University of Minnesota


Dr. Su is a Nutritional Epidemiologist and Program Director in the Epidemiology and Genomics Research Program's (EGRP) Modifiable Risk Factors Branch (MRFB). His responsibilities include managing a research portfolio that focuses on cancer risk factors that may be modifiable, such as diet and nutrition, alcohol, physical activity, and energy balance.

Currently, Dr. Su serves on the NCI Prostate, Lung, Colorectal, and Ovarian Cancer (PLCO) Screening Trial Etiologic and Early Marker Studies (EEMS) Scientific Review Panel and Department of Defense, Prostate Cancer Research Program, Health Disparity Research Award Scientific Review Panel. He also is the EGRP liaison to the NIH Center for Scientific Review.

He joined EGRP in 2009 from the Louisiana State University's (LSU) School of Public Health in New Orleans, where he was an Associate Professor of Epidemiology and Curriculum Coordinator for the Epidemiology Program. He also held a joint appointment in the LSU Department of Pathology where he had a laboratory for nutrient biomarker analysis. Dr. Su also served as Adjunct Associate Professor with University of North Carolina at Chapel Hill School of Public Health and School of Journalism and Mass Communication advising graduate students.

Dr. Su served as Principal Investigator or Co-Investigator for a variety of grants and contracts from NIH and other federal agencies, the State of Louisiana, and other funding sources. He also has experience as a reviewer for NIH's Center for Scientific Review's (CSR) Epidemiology and Cancer (EPIC) Study Section and the NCI Special Emphasis Panel.

Return to Top