Dr. Bailey's research interests include the molecular pathogenesis of hematolymphoid neoplasms and the translation of these findings into routine patient care. He participated in studies that examined the genomic landscape of splenic marginal zone lymphoma, T-cell prolymphocytic leukemia, and Sézary syndrome. Dr. Bailey has led translational studies regarding the efficacy of immunohistochemical detection of mutant BRAF protein in hairy cell leukemia, and is involved in projects evaluating subclassification of peripheral T-cell lymphoma according to its "cell of origin". In addition, Dr. Bailey has written several book chapters and review articles.