Shirish Nadkarni is a serial entrepreneur with proven success in creating multiple consumer businesses that have scaled to tens of millions of users worldwide. Shirish was the co-founder of Livemocha, a large language learning site with 15+ million registered members from over 200 countries, which was acquired by RosettaStone in 2013. Prior to Livemocha, Shirish was the founder of TeamOn Systems, a mobile wireless email pioneer that was acquired by BlackBerry in 2002. He is also the author of Winner Takes All: Case Studies in How Online Marketplaces Are Creating Modern Monopolies and From Startup to Exit: An Insider's Guide to Launching and Scaling Your Tech Business.