Department Administration
Meet our administrative faculty and staff
![](https://mathstat.georgetown.edu/wp-content/uploads/sites/90/2020/07/Robert-Pike-scaled-e1594242756660.jpg)
Robert Pike
Position: Department Administrator
Location: St. Mary’s Hall, 321
Email: rfp32@georgetown.edu
![](https://mathstat.georgetown.edu/wp-content/uploads/sites/90/2021/12/mahlet_tadesse-150x150.png)
Mahlet Tadesse
Position: Department Chair, Professor
Location: St. Mary’s Hall, 327
Email: mgt26@georgetown.edu
![](https://mathstat.georgetown.edu/wp-content/uploads/sites/90/2021/08/Ali-Arab-100-by-120-Ali-Arab-150x150.jpg)
Ali Arab
Position: Director of Graduate Studies, Associate Professor
Location: St. Mary’s Hall, 305
Email: ali.arab@georgetown.edu
![](https://mathstat.georgetown.edu/wp-content/uploads/sites/90/2021/12/DeanLeong-150x150.jpg)
Dean Leong
Position: Graduate Program Coordinator
Location: St Mary’s Hall, 327a
Email: dl1141@georgetown.edu
![](https://mathstat.georgetown.edu/wp-content/uploads/sites/90/2019/03/erblin-mehmetaj_0.jpg)
Erblin Mehmetaj
Position: Director of Undergraduate Studies, Associate Teaching Professor
Location: St. Mary’s Hall, 322
Email: Erblin.Mehmetaj@georgetown.edu