Sean Castrina is a bestselling author of 8 Unbreakable Rules for Business Startup Success and the fictional tale The Greatest Entrepreneur in the World. His new release is The World’s Greatest Business Plan written for those who cannot afford to fail. Sean is an active entrepreneur and CEO having started more than 20 companies in the last 25 years. He has guest lectured on entrepreneurship at some of America's finest colleges. He hosts The Ten Minute Entrepreneur, a top 10 business podcast on iTunes. He has a large social media following and is verified on FB and IG. He has shared events with Tony Robbins, John Maxwell, Jon Gordon and others.