Searching through Jason Cohen on LinkedIn for someone with a PhD in Probability and Statistics, this must be him:
https://www.linkedin.com/pub/jason-cohen/43/18b/151
Education
Cornell University
Doctor of Philosophy (Ph.D.), Mathematical Statistics and Probability
1995 – 1999
Brown University
Bachelor's Degree, Electrical and Electronics Engineering
1987 – 1991
current title:
Managing Director at Tower Research Capital
Greater New York City Area Investment Management
---
no obvious MA roots
seems credible