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Mike Greenfield

Mike Greenfield

Data scientist and entrepreneur, first data scientist at PayPal and LinkedIn

mikeg
Palo Alto, California
Joined May 2024

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Summary

Mike Greenfield is a serial entrepreneur and data science pioneer, having been the first data scientist at both PayPal and LinkedIn. He has founded multiple companies including Team Rankings, Circle of Moms (acquired in 2012), Bonafide, and Change Research, where he currently serves as Co-Founder, CEO, and Chair of the Board. His career demonstrates a consistent drive to leverage data for innovative solutions across various industries. shorensteincenter+3
Greenfield has a strong foundation in quantitative analysis, having earned a B.S. in Mathematical and Computational Science from Stanford University. This background has informed his approach to building data-driven products and strategies, from sports analytics at Team Rankings to fraud modeling at PayPal and optimizing viral growth at LinkedIn. germantownfriends+1
Beyond his entrepreneurial ventures, Greenfield is also an active angel investor and adviser, supporting promising startups since 2012. He also contributes to philanthropic efforts as President of the Greenfield Foundation and has been involved with the Goldsmith Awards Program at the Shorenstein Center at Harvard since 2002. nfx+1

Work

Education

Hobbies

Developed a passion for building quantitative sports power ratings, launching TeamRankings.com from his dorm room in 2000 and achieving national prominence for his data-driven ratings. teamrankings+1

Played soccer and squash during his time at Germantown Friends School and captained the Club Squash team at Stanford University. germantownfriends