Zachary Karabell

President, River Twice Research

Zachary Karabell is the co-author of <em>Sustainable Excellence: The Future of Business in a Fast-Changing World</em>, written with Aron Cramer and published by Rodale in October 2010. He is also the author of <em>Superfusion: How China and America Became One Economy and Why the World's Prosperity Depends On It </em>(Simon & Schuster 2009). He is President of River Twice Research ( and River Twice Capital, as well as Senior Advisor to Business for Social Responsibility. Until 2008, he was portfolio manager, chief marketing officer and the chief economist for New York-based investment firm Fred Alger Management. His previous books include <em>The Last Campaign: How Harry Truman Won the 1948 Election</em>; <em>A Visionary Nation: Four Centuries of American Dreams and What Lies Ahead</em>; <em>Parting the Desert: The Creation of the Suez Canal</em>; <em>Peace Be Upon You: The Story of Muslim, Christian, and Jewish Coexistence </em>( Knopf 2007); and a very short book about a very obscure US president, <em>Chester Alan Arthur</em>. Educated at Columbia, Oxford and Harvard, he writes for a variety of newspapers and magazines, including <em>Time</em>, <em>Newsweek</em>, <em>The Los Angeles Times</em>, <em>The Wall Street Journal</em>, <em>Foreign Affairs</em>, <em>The Washington Post</em>, and <em>The New York Times</em>. He is a regular commentator on CNBC and an occasional ensemble member of the Fast Money crew. He has also appeared on CNN, the History Channel, and BookTV.