February 12, 2018
-The Washington Post
January 1, 2018
-The Washington Post
October 27, 2017
-The Washington Post
September 25, 2017
-The Washington Post
August 23, 2017
-The Washington Post
August 11, 2017
-The Washington Post
July 21, 2017
-The Washington Post
February 7, 2017
-Scientific American
July 26, 2016
-Money
July 19, 2016
-Scientific American
May 2015
-Harvard Business Review
April 14, 2015
-Scientific American
May 9, 2014
- The New York Times
Winter 2014
- Wharton Magazine
January 3, 2014
- The New York Times
July–August 2008
- Harvard Business Review