She completed an internal medicine residency at Johns Hopkins Medical Institute and her nephrology fellowship at Vanderbilt University. Although she really enjoyed clinical care, Dr. Gewin felt that more therapeutic options for patients with chronic kidney disease were greatly needed. Therefore, as part of her fellowship, she joined the basic science laboratory of Roy Zent, M.D., Ph.D. to study the mechanisms underlying the progression of renal fibrosis, the common pathway leading from renal injury to end-stage renal disease.