CNBC U.S. Contributors

Zachary Karabell

Head of Global Strategy, Envestnet

Zachary Karabell, Ph.D. is Head of Global Strategy at Envestnet, a publicly traded financial services firm.

He is also President of River Twice Research. Previously, he was Executive Vice President, Chief Economist, and Head of Marketing at Fred Alger Management, a New York-based investment firm. He was also President of Fred Alger & Company, a broker-dealer; Portfolio Manager of the China-U.S. Growth Fund (CHUSX); and Executive Vice President of Alger's Spectra Funds, a no-load family of mutual funds that managed the Spectra Green Fund. At Alger, he oversaw the creation, launch and marketing of several funds, led corporate strategy for strategic acquisitions, and represented the firm at public forums and in the media.

Educated at Columbia, Oxford and Harvard, where he received his Ph.D., Karabell has taught at several leading universities, including Harvard and Dartmouth, and has written widely on economics, investing, history and international relations. His most recent book, "The Leading Indicators: A Short History of the Numbers That Rule Our World," was published by Simon & Schuster in February 2014. He is the author of eleven previous books, including "The Last Campaign: How Harry Truman Won the 1948 Election" (which won the Chicago Tribune Heartland Award for best non-fiction book of the year in 2000); "Superfusion: How China and America Became One Economy and Why The Worlds Prosperity Depends On It" (Simon & Schuster, 2009); and "Sustainable Excellence: The Future of Business in the 21st Century," co-authored with Aron Cramer (Rodale 2010). He sits on the board of the New America Foundation and the Carnegie Council on Ethics and International Affairs, and in 2003, the World Economic Forum designated him a "Global Leader for Tomorrow." He is a Senior Advisor for BSR, a membership organization that works with global corporations on issues of sustainability.

As a commentator, Karabell is a contributing editor and columnist for Politico. He formerly wrote Edgy Optimist for Slate, the Atlantic and Reuters. Karabell also writes for the following publications: The Washington Post, The Atlantic, Time Magazine, The Wall Street Journal, The Los Angeles Times, The New York Times, The Financial Times, and Foreign Affairs.

Follow Zachary Karabell on Twitter: @zacharykarabell