Brian Halligan is CEO & Co-Founder of HubSpot, a marketing software company that helps businesses transform the way they market their products by "getting found" on the internet. Since its founding, HubSpot has already accumulated 11,000 customers. He is author of Marketing Lessons From the Grateful Dead and Inbound Marketing: Get Found Using Google, Social Media, and Blogs , which is in its seventh printing, has sold 40,000 copies. Brian was named an Ernst & Young Entrepreneur Of The Year 2011. He is also an Entrepreneur-In-Residence at MIT.