Josh is the co-author of three books. Groundswell (HBR Press, 2008) was a bestseller. He also cowrote The Mobile Mind Shift (Groundswell Press, 2014) and Empowered (HBR Press, 2010).
Groundswell: Winning in a World Transformed by Social Technologies, a BusinessWeek bestseller, is a comprehensive analysis of corporate strategy for dealing with social technologies. Abbey Klaassen, editor of Advertising Age, picked Groundswell as "the best book ever written on marketing and media."
Josh is also the editor of two other books: Outside In (New Harvest/HMH, 2012) by Harley Manning and Kerry Bodine, and Digital Disruption (Amazon Publishing, 2013) by James McQuivey.
Josh joined Forrester Research in 1995 and analyzed technology there for 20 years, eventually becoming senior vice president, idea development. He created the company's Technographics segmentation, a classification of consumers according to how they approach technology, which is still in use more than 15 years later.
Josh is frequently quoted in publications like The New York Times and The Wall Street Journal. Josh has keynoted major conferences on television, music, marketing, and technology in Barcelona, Beijing, Brussels, Cannes, London, New York, Rome, Tokyo, São Paulo, and Seoul.
Prior to joining Forrester, Josh spent 14 years working for startups in the technology industry and studying mathematics in the Ph.D. program at MIT. His hobbies include recreational biking, the futile pursuit of wellness, and standup comedy.