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.
Matt M.
Matt worked as a Research Analyst at the Federal Reserve Bank of New York for two years before going on to earn an MA, MPhil, and PhD in Economics at Columbia University.
Sally
Sally is a software engineer at an EdTech company in Boston. She has a BA from Princeton University in Computer Science, where she researched high school computer science pedagogy and curriculum.