Meet the Team
![Ellen Sidransky](/sites/default/files/media/images/2019-08/sidransky_ellen.jpg)
Ellen Sidransky, M.D.
- Director
- Medical Genetics Branch
![Grisel Lopez](/sites/default/files/media/images/2023-11/Grisel-Lopez.jpg)
Grisel J. Lopez, M.D.
- Staff Clinician
- Molecular Neurogenetics Section
![Generic Profile Photo](/themes/custom/nhgri/assets/global/nhgri_generic_profile.png)
Emory E. Ryan, MSN, CPNP-PC
- Clinical Coordinator
- Molecular Neurogenetics Section
![Yu Chen](/sites/default/files/media/images/2019-08/chen_yu.jpg)
Yu Chen, Ph.D.
- Staff Scientist
- Molecular Neurogenetics Section
![Bahafta A. Berhe](/sites/default/files/media/images/profiles/10548630.jpg)
Bahafta A. Berhe
- Lab Technician
- Molecular Neurogenetics Section
![Marie G. Hall, B.A.](/sites/default/files/media/images/2019-04/10739145.jpg)
Marie G. Hall, B.A.
- Program Support Specialist
- Molecular Neurogenetics Section
![Nahid Tayebi, Ph.D.](/sites/default/files/media/images/profiles/10167194.jpg)
Nahid Tayebi, Ph.D.
- Staff Scientist
- Molecular Neurogenetics Section
Last updated: August 15, 2019