Mike Sha is co-founder and CEO at Wikinvest and at SigFig.Formerly, Mike was an advisor and consultant to many internet and mobile startups and held key positions at Amazon.com where he launched and ran the Amazon Visa Card business, headed up product development in the Global Payments team, led a technology team focused on building new strategic partnerships and initiatives, and built sophisticated fraud detection models. He received a BA in Applied Math and a MS in Computer Science, both from Harvard University.