Eric Ries' forthcoming book is <em><a href="http://theleanstartup.com/" target="_hplink">THE LEAN STARTUP: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses</a></em> (Crown Business, September 2011). He is the creator of the Lean Startup methodology and the author of the popular entrepreneurship blog <a href="http://www.startuplessonslearned.com/" target="_hplink">Startup Lessons Learned</a>. He previously co-founded and served as Chief Technology Officer of IMVU, an online social entertainment destination with currently 50 million registered users. Ries also has worked as a consultant to a number of startups, companies, and venture capital firms. In 2010, he became an Entrepreneur-in-Residence at Harvard Business School.