2005-         Project Director and Co-Investigator:  “NHS/HPFS Folic Acid Prevention Trial” (PI: Dr. Edward Giovannucci, Harvard School of Public Health (HSPH) and Harvard Medical School; manuscript on main results published (Wu et al., 2009; American Journal of Clinical Nutrition)

2011-        Molecular Pathology Epidemiology (MPE) Working Group

Role: Co-Investigator, “Risk factors for colorectal cancer and survival by molecular characteristics of tumor “(PIs: Dr. Charles Fuchs and Dr. Shuji Ogino, Dana Farber Cancer Institute, Harvard Medical School, Boston, MA)


2009-        “Pooling Project of Prospective Studies of Diet and Cancer Consortium” (Pooling Project, 32 international cohorts from North America, Australia and Europe; analyzing diet  and cancer associations using standardized criteria across studies; meta-analysis of individual data as opposed to a meta-analysis of the published literature); coordinating center Harvard School of Public Health, Boston, MA (Dr. Stephanie Smith-Warner, PI).

Role: Co-investigator and Project Director for project “Prostate Cancer Analyses”.  This project examines associations between lifestyle factors and diet and prostate cancer in over 788,000 participants (52,000 prostate cancer cases).

2012-        “Pooling Project on plasma 25(OH)D and breast and colorectal cancer”

Role: Co-investigator (outcome colorectal cancer, Harvard cohorts: Nurses’ Health Study I, Channing Network of Medicine, Brigham and Women’s Hospital, Harvard Medical School; Health Professionals Follow-up Study, Harvard School of Public Health)

2013-        Genetics and Epidemiology of Colorectal Cancer Consortium (GECCO) (studies from North America, Australia and Europe, over 40,000 participants with GWAS data; coordinating center Fred Hutchinson Cancer Research Center, Seattle, WA, PI: Dr. Riki Peters).

Role: Co-investigator (gene/diet or lifestyle interactions (GXE))