Dr McGregor is the clinical director for the Lank center for Genitourinary oncology at Dana Farber Cancer Institute in Boston, MA where he specializes in treatment of genitourinary medical oncology.  He is the national PI for 2 trials advance care in unmet needs. NCT04413123 is exploring the combination of nivolumab and ipilimumab with cabozanitnib priro work with atezolizumab and bevacizumab in this setting and NCT03333616 is pursuing nivolumab and ipilimumab in variety of rare GU tumors