Nationally recognized for his work in cancer prevention and public health, he is a current member of the National Institutes of Health’s National Cancer Institute Board of Scientific Advisors, as well as a section editor for diversity, equity and inclusion of the American Gastroenterological Association’s Gastroenterology journal. He served from 2017 to 2021 as one of 16 members of the prestigious U.S. Preventive Services Task Force (USPSTF), which makes evidence-based recommendations about clinical preventive services to promote the health of all Americans and beyond. In 2021, he served as the lead author for the USPSTF’s report: “Addressing Systemic Racism Through Clinical Preventive Service Recommendations from the US Preventive Services Task Force” published in JAMA.