His research lab group focuses on quantitative pathology using the AQUA® technology invented in his lab, and other quantitative methods, with projects related to predicting response and resistance to both targeted and immune- therapy in cancer. His lab is involved in the use of new high-plex methods including digital spatial profiling (NanoString) for new biomarker discovery. He is also interested in translation of assays to the clinic and standardization of those assays for CLIA labs. The work is supported by grants from the NIH, BCRF, and sponsored research agreements from biopharma. He also serves on the CAP Immunohistochemistry committee and multiple scientific advisory boards for biotech and pharma. He is an author of over 500 peer-reviewed papers with an H-index of 120 and 8 patents.