Joseph is an adjunct professor of marketing in the Columbia Business School and Senior Associate at Olson Zaltman Associates. He is the co-author of The Online Advertising Playbook, focusing on the emergence of the Internet as a marketing platform. Prior to taking an academic title, Joseph was Executive Vice President, Director of Research and Insight Development for The McCann Worldgroup, and a member of the firm’s Executive Committee and Board of Directors. Before this, he was Director of Brand Strategy on global accounts for The McCann Worldgroup. His responsibilities included helping global clients develop brand vision and values, creating growth strategies for the future and developing communication strategies to build brand equity. Prior to joining McCann-Erickson in 1997, Joseph was Vice Chairman and Worldwide Planning Director at DMB&B advertising and a member of the DMB&B Board of Directors and the Executive Committee.