![](https://cambridgecoaching.com/hubfs/Tutor%20profile%20headshot/200565188.jpg)
Greg C.
Gregory is a GEM PhD fellow and a PhD candidate in Applied Physics at Harvard University. Previously, he received his undergraduate degrees in Electrical Engineering and Engineering Physics from the University of Michigan, Ann Arbor.
![](https://cambridgecoaching.com/hubfs/Tutor%20profile%20headshot/200503988.jpg)
Johnson E.
Johnson holds an undergraduate degree from Georgetown University, a Master’s in International Trade & Finance from the Harvard Kennedy School, and an MBA from MIT. He has worked for Goldman Sachs, the Federal Reserve, and Harvard Business School.
![](https://cambridgecoaching.com/hubfs/Tutor%20profile%20headshot/195781238.jpg)
Lauren J.
Lauren graduated magna cum laude and Phi Beta Kappa from Dickinson College with a BS in Environmental Science and a minor in Biology. She obtained her MS in Marine Microbiology from the University of Maryland Center for Environmental Science (UMCES) and is now a PhD candidate in Environmental Molecular Science and Technology at the University of Maryland.