Brian Halligan (bhalligan@hubspot.com) is coauthor of INBOUND MARKETING: Get Found Using Google, Social Media and Blogs and co-founder and CEO of HubSpot, Inc., an Internet marketing company dedicated to helping small businesses leverage the Internet to "get found" by qualified prospects and convert more of them into leads and customers. His blog, blog.hubspot.com, ranks as one of the world's top 100 marketing blogs, according to AdAge Magazine. Previously, Brian worked as a venture partner at Longworth Venture Capital and held senior sales and marketing roles at Groove Networks (acquired by Microsoft) and Parametric Technology Corporation. Holding an MBA from the MIT Sloan School of Management, Brian is a frequent lecturer at MIT and Harvard Business School on the science of selling and marketing. He also frequently speaks at conferences, such as the New Marketing Summit, Search Engine Strategies, and the Inbound Marketing Summit.