His research has identified genomic predictors of tobacco use and lung cancer, smoking cessation pharmacogenomics, and genomic biomarkers in multiethnic populations. He has served as a NAM Consensus Committee on the Evidence Base for Genetic Testing and was a co-author of the NAM Consensus Report, “The Evidence Base for Genetic Testing” in 2017; was Editor of the text book “Genomic and Precision Medicine, Primary Care” (Elsevier Press, 2017); was a member of the National Comprehensive Cancer Network (NCCN) Smoking Cessation Guideline Panel. He has also served on numerous national leadership committees including the ABFM Young Leaders Advisory Group, as Co-Director of the Society for Research on Nicotine and Tobacco (SRNT) Genetics and Omics Network and has served as Chair and Co-Chair of the Program Committee for SRNT Annual Meetings, as well as numerous NIH review committees and as a reviewer for the 2020 Surgeon General’s Report on Smoking Cessation.