[4] His first book, The Fix, published in 2017, tells the stories of how countries around the world have solved some of their most difficult challenges.
There, he was deputy editor for the international edition, ran at various times the Asia, Europe, Africa, Middle East, and Latin America sections, and wrote multiple cover stories, opinion pieces, and a style column.
He is the co-editor of three books: The U.S. vs Al Qaeda: A History of the War on Terror (2011), The Clash of Ideas: The Ideological Battles That Made the Modern World and Will Shape the Future (2011), and Iran and the Bomb: Solving the Persian Puzzle (2012).
[20] In 2021, Tepperman delivered a seminar, in conjunction with the International Republican Institute (IRI) titled China and the Global Fight for Democracy.
It featured many speakers, including Senator Dan Sullivan of Alaska, Congressmen Adam Kinzinger of Illinois and Tom Malinowski of New Jersey, IRI officials (Senior Advisor David O. Shullman and President Daniel Twining) and academic experts Emmanuel Matambo, a Senior Researcher at the University of Johannesburg Centre for African-China Studies and Nadège Rolland, a Senior Fellow of Political and Security Affairs at the National Bureau of Asian Research.
[23][24] The book reveals often-overlooked good news stories in public policy, identifying ten pervasive and seemingly impossible challenges—including immigration reform, economic stagnation, political gridlock, corruption, and Islamic terrorism—and shows that, contrary to the general consensus, “each of these problems has a solution, and not just a theoretical one... They’ve all been tried, and they work.
[27] On June 14, 2020, Tepperman, in the capacity of editor-in-chief of Foreign Policy, sent an e-mail to subscribers to the publication promoting support for "social justice".
The message begins with the statement "George Floyd’s killing in Minneapolis police custody on May 25 has sparked an urgent national and global conversation about racism and how to address it.