NASAOS Society Officers
![Professional photo 1-cropped2 President and Treasurer, North American Society of AcademicOrbital Surgeons](https://nasaos.org/wp-content/uploads/Professional-photo-1-cropped2.jpg)
Alon Kahana, MD, PhD
President, Secretary, Treasurer and Executive Board Member
![langer-doc-photo-big](https://nasaos.org/wp-content/uploads/langer-doc-photo-big-683x1024.jpg)
Paul Langer, MD
Treasurer Elect and Executive Board Member
![](https://nasaos.org/wp-content/uploads/2016/09/Cho.png)
Raymond Cho, MD
President Elect and Executive Board Member
![Andrea Kossler](https://nasaos.org/wp-content/uploads/Andrea-Kossler.jpeg)
Andrea Kossler, MD
Executive Board Member
![wester](https://nasaos.org/wp-content/uploads/Wester.jpg)
Sara Wester, MD
Executive Board Member
![Freitag_headshot](https://nasaos.org/wp-content/uploads/Freitag_headshot.jpg)
Suzanne Freitag, MD
Executive Board Member
![subramanian](https://nasaos.org/wp-content/uploads/Subramanian.jpg)
Prem Subramanian, MD
Executive Board Member
![](https://nasaos.org/wp-content/uploads/2016/09/Mawn.png)
Louise A. Mawn, MD
Mentoring Committee Chair
![sobel](https://nasaos.org/wp-content/uploads/2016/09/Sobel.png)
Rachel Sobel, MD
Program Director
![katowitz](https://nasaos.org/wp-content/uploads/2016/09/Katowitz.png)
William Katowitz, MD
Assistant Program Director