![](http://labs.pathology.jhu.edu/wp-content/uploads/sites/27/2017/12/20171127_210800.jpg)
Heidi speaking during her dissertation presentation.
Congratulations to Dr. Heidi Hempel Sullivan for successfully completing all dissertation requirements for the Pathobiology graduate program at Johns Hopkins!! Heidi’s thesis is entitled “The role of mast cells in prostate cancer initiation and recurrence”. Heidi will be moving on to a postdoctoral fellowship at the Center for Cancer Research at the NCI. Great work Heidi!