Harry is the founder and CEO of Overdrive Interactive, an award winning digital marketing firm in Boston, Massachusetts. Overdrive's clients include ROI driven companies such as Harley-Davidson, Vistaprint, Dow Jones, John Hancock, AAA, EMC and Topps. As CEO, his primary mission is to create innovative online marketing programs based on real-world success and to ensure that the technology and best practices that drive those successes are continually incorporated into the methods of the agency. He is also on the forefront of developing Overdrive's social media measurement technologies that enable marketers to measure actual leads, revenue and ROI from their social media programs.

In addition, Harry is a frequent lecturer on social media and search marketing for The American Marketing Association, The New England Direct Marketing Association, Search Engine Strategies, University of Massachusetts, Boston University and Harvard University. He is also an expert columnist for ClickZ.