David Meerman Scott is a marketing strategist, keynote speaker, seminar leader, and bestselling Wiley author.  His book The New Rules of Marketing & PR opened people's eyes to the new realities of marketing and public relations on the Web. Six months on the BusinessWeek bestseller list and published in more than twenty languages, New Rules is now a modern business classic. Scott's popular blog and hundreds of speaking engagements around the world give him a singular perspective on how businesses are implementing new strategies to reach buyers.

Brian Halligan is co-founder and CEO of HubSpot, Inc., and author of Inbound Marketing: Get Found Using Google, Social Media & Blogs, a leading title in the New Rules of Marketing and PR Series. Halligan is an Entrepreneur-In-Residence at MIT, where he teaches classes on marketing and strategy. He also frequently speaks at conferences, such as the New Marketing Summit, Search Engine Strategies, and the Inbound Marketing Summit.