Mike Greenfield

Mike Greenfield is an experienced angel investor and entrepreneur based in Palo Alto, California. He co-founded Change Research in 2017, a company dedicated to quickly, affordably, and accurately measuring public opinion to help leaders better understand the needs of the people they serve. Prior to this, he was PayPal's first data scientist, where he built much of the company's early fraud detection technology. He also led the data analytics team at LinkedIn, contributing to its growth from 250,000 to 10 million users. Additionally, Mike co-founded Circle of Moms, a platform that helped millions of mothers find information and support, and TeamRankings.com, which assisted thousands in winning their NCAA Tournament pools. He holds a BS in Mathematical and Computational Science from Stanford University and resides in Palo Alto, California. As an angel investor, Mike has a diverse portfolio, including companies such as CareGuide, Literably, Hullabalu, Babylist, DataHero, Kicksend, Cover, EagerPanda, Fieldbook, and Reclip.It. His investment focus spans various sectors, including education, reading apps, and edtech, with a particular interest in seed-stage opportunities. Mike's strategic approach involves leveraging his extensive experience in technology development and analytics to identify and support innovative startups that align with his expertise and interests. Mike's track record reflects a commitment to fostering growth in early-stage companies, particularly those in the technology and consumer internet sectors. His background in data science and analytics enables him to provide valuable insights and guidance to the companies he invests in, contributing to their success and scalability. His involvement in multiple successful ventures underscores his ability to identify promising opportunities and support them through strategic investment and mentorship.