PI & Admin
![Gregory Stephanopoulos](https://chemepro3.mit.edu/stephanopouloslab/wp-content/uploads/sites/70/2022/09/stephanopoulosgreg-photo.png)
Gregory Stephanopoulos
Principal InvestigatorW.H. Dow Professor of Chemical Engineering and Biotechnology [Bio]
![Hannah Cross](https://stephanopouloslab.mit.edu/wp-content/uploads/sites/70/2022/10/Hannah-photo.png)
Hannah Cross
Administrative Assistant
Grad Students & Postdocs
![Yuexuan Zu](https://chemepro3.mit.edu/stephanopouloslab/wp-content/uploads/sites/70/2022/09/yuexuan-zu.png)
![Manish Rai](https://stephanopouloslab.mit.edu/wp-content/uploads/sites/70/2023/06/270187394_4542993845770159_7847412832911015447_n-e1685628557530.jpg)
![Seung Hwan "Allen" Lee](https://stephanopouloslab.mit.edu/wp-content/uploads/sites/70/2023/06/Allen-headshot-1.jpg)
![Weiming Tu](https://stephanopouloslab.mit.edu/wp-content/uploads/sites/70/2025/02/Weiming-cropped.jpg)
W.H. Dow Professor of Chemical Engineering and Biotechnology [Bio]