![](https://cambridgecoaching.com/hubfs/Tutor%20profile%20headshot/216873488.jpg)
James F.
James holds a PhD in History from the University of St Andrews, an MPhil in History from the University of Cambridge, and an MPhil in Classics from Trinity College. He is the co-founder of the Institute for the Study of International Expositions.
![](https://cambridgecoaching.com/hubfs/Tutor%20profile%20headshot/203332688.jpg)
Walker
Walker earned his undergraduate degree in applied math from Columbia University and later finished a master's degree in statistics from Duke University. He now works for the New York Yankees as a quantitative analyst in their front office.
![](https://cambridgecoaching.com/hubfs/Tutor%20profile%20headshot/131213338.jpg)
Sam
Sam holds a BS in Physics (Cornell) and a PhD in Physics (Harvard). He's now a postdoctoral researcher at the University of Pennsylvania, studying physical systems and machine learning applications.