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.
Alena
Alena studied electrical engineering at Stanford. After graduation, she worked for a cybersecurity startup before spending four years at Google as a software engineer.
Joe
Joe earned an MBA from the Sloan School of Management, an MS from the Harvard-MIT Department of Health Sciences and Technology, and a BA in Biochemical Sciences from Harvard. Currently, he works as a healthcare consultant.