Zachary Karabell is head of global strategy for Envestnet, a publicly traded financial services company. Karabell was previously executive vice president, head of marketing, chief economist, and portfolio manager at Fred Alger Management, a New-York-based investment firm.

In addition, he founded and ran the River Twice Fund from 2011-2013, a US$25 million alternative investment fund that used sustainable business as its primary investment theme.

Educated at Columbia, Oxford, and Harvard, where he received his Ph.D., he is the author of more than a dozen books, including the recently published The Leading Indicators: A Short History of the Numbers That Rule Our World (Simon & Schuster, 2014) and Superfusion: How China and America Became One Economy and Why the World's Prosperity Depends on It (Simon & Schuster, 2009), and previous books such as The Last Campaign: How Harry Truman Won the 1948 Election (which won the Chicago Tribune Heartland Prize for best non-fiction book of the year).

In 2003, the World Economic Forum designated Karabell a "Global Leader for Tomorrow." He is a regular commentator on national news programs, such as CNBC, MSNBC, and CNN, and a regular contributor to such publications as Foreign Affairs, the Los Angeles Times, the New Yorker, the New York Times, Politico, Slate, Time, the Wall Street Journal, and the Washington Post. He sits on the boards of New American and the PEN America.