PI & Admin
![Gregory Stephanopoulos](http://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](http://stephanopouloslab.mit.edu/wp-content/uploads/sites/70/2022/10/Hannah-photo.png)
Hannah Cross
Administrative Assistant
Grad Students & Postdocs
![Yuexuan Zu](http://chemepro3.mit.edu/stephanopouloslab/wp-content/uploads/sites/70/2022/09/yuexuan-zu.png)
![Georgios Daletos](http://chemepro3.mit.edu/stephanopouloslab/wp-content/uploads/sites/70/2022/09/Georgios-Daletos.png)
![Constantinos Katsimpouras](http://chemepro3.mit.edu/stephanopouloslab/wp-content/uploads/sites/70/2022/09/costas-pic.png)
![Felix Lam](http://chemepro3.mit.edu/stephanopouloslab/wp-content/uploads/sites/70/2022/09/felix-lam-pic.png)
![Yongshuo Ma](http://chemepro3.mit.edu/stephanopouloslab/wp-content/uploads/sites/70/2022/09/yongshuo-ma.png)
![Jack (John) Ruth](http://chemepro3.mit.edu/stephanopouloslab/wp-content/uploads/sites/70/2022/09/Jack-John-Ruth.jpg)
![Manish Rai](http://stephanopouloslab.mit.edu/wp-content/uploads/sites/70/2023/06/270187394_4542993845770159_7847412832911015447_n-e1685628557530.jpg)
![Seung Hwan "Allen" Lee](http://stephanopouloslab.mit.edu/wp-content/uploads/sites/70/2023/06/Allen-headshot-1.jpg)
W.H. Dow Professor of Chemical Engineering and Biotechnology [Bio]