David Cay Boyle Johnston (born December 24, 1948) is an American investigative journalist and author, a specialist in economics and tax issues, and winner of the 2001 Pulitzer Prize for Beat Reporting. From July 2011 until September 2012 he was a columnist for Reuters, writing, and producing video commentaries, on worldwide issues of tax, accounting, economics, public finance and business. Johnston is the board president of Investigative Reporters and Editors. He has also written for Al Jazeera English and America in recent years. Johnston is a Distinguished Visiting Lecturer at College of Law and the Whitman School of Management at Syracuse University.
