Assistant Professor in Medicine at the Cardiovascular Research Center at Massachusetts General Hospital (MGH) and the Harvard Medical School. Wrann is also an affiliate of the Henry and Allison McCance Center for Brain Health and the Harvard Stem Cell Institute. Her research focuses on the beneficial effects of exercise and metabolism on the brain, and specifically secreted factors in exercise as potential drug targets.

Wrann studied veterinary medicine at the University of Veterinary Medicine Hannover, the University of Cambridge, and Cornell University. She received her Ph.D. with Summa cum laude in Immunology from the University of Veterinary Medicine Hannover in 2008. She concluded her postdoctoral at Dana-Farber Cancer Institute and Harvard Medical School.