Andrew T Stephen is an Assistant Professor of Marketing at INSEAD. He teaches digital marketing with a focus on social media strategy and using new social technologies for non-traditional advertising in the MBA and Executive Education programs, and marketing strategy in the PhD program. He also works with several large and small technology and new media companies. Andrew has a PhD in Marketing (with Distinction) and an MPhil from Columbia University. His research focuses on understanding the causes, types and consequences of complex social interactions in marketplaces, and on how to use new media channels, such as social media, as part of integrated marketing communications strategies. This research is currently examining phenomena such as social networks, word-of-mouth, social media and user-generated content, social commerce, and mobile location-based advertising. Andrew’s research has appeared in leading scientific journals such as the Journal of Marketing Research, Psychological Science, and the Journal of Business Research. He has also appeared in the International Herald Tribune, New York Times, and Wall Street Journal. He received an honorable mention in the Direct Marketing Education Foundation’s Shankar-Spiegel Dissertation Proposal Competition (2009), won the Marketing Science Institute Alden G Clayton Dissertation Award (2009), and was awarded a prestigious Google-WPP Marketing Research Award (2010).