David Cay Johnston is an American investigative journalist and author, a specialist in economics and tax issues, and winner of the 2001 Pulitzer Prize for Beat Reporting.
Since 2009 he has been a Distinguished Visiting Lecturer who teaches the tax, property and regulatory law of the ancient world at Syracuse University College of Law and Whitman School of Management.' 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.