John is the director of polling at the Harvard Kennedy School Institute of Politics and the author of Fight: How Gen Z is Channeling Their Fear and Passion to Save America (St. Martin's Press, January 2022). The Washington Post referred to John as one of the world’s leading authorities on global sentiment, opinion, and influence, especially among young Americans and in the age of digital and social media. John is also co-founder of SocialSphere, a Cambridge-based public opinion and analytics company. Read more of John's outstanding writing and analysis at https://dellavolpe.substack.com/.