Jeff Braun, based in New York, NY, US, is currently a Managing Director and Quantitative Researcher at Two Sigma Investments. Jeff Braun brings experience from previous roles at JP Morgan Asset Management and MIT Sloan School of Management. Jeff Braun holds a 2005 - 2009 M.S. in Mathematics in Finance @ New York University. With a robust skill set that includes Marketing, Research, Customer Service, Microsoft Office, Portfolio Management and more.