Kimathi Marangu is Global Head of Prepaid at Visa Inc. Before joining Visa, Kimathi was Co-Founder of Cartera Commerce, a fintech startup that serves 5 of the top 10 issuers and 4 of the top 5 airlines. Cartera was sold to Rakuten in 2017.
In 2006, Kimathi designed and launched the official Cyber Monday website for the National Retail Federation, helping to put the then fledgling shopping holiday on the map for merchants and consumers alike.
Kimathi holds an A.B. in Economics from Vassar College, where he has served as Chair of the Vassar Fund, and an M.B.A. from Stanford Business School, where he served as President of the Stanford Business School Alumni Association