John Tillman is the chairman and CEO of the Illinois Policy Institute (IPI), a nonprofit think tank that supports limited government and free-market principles. Tillman has served as the group's CEO since 2007.
In 2011, Tillman won the Roe Award from the State Policy Network. The annual award “pays tribute to those in the state public policy movement whose achievements have greatly advanced the free market philosophy.”
Tillman has appeared in national media outlets, including the Fox News Channel, the BBC, NPR, and The Wall Street Journal.
Before joining IPI, Tillman held roles with Americans for Limited Government and the Sam Adams Alliance. He serves on the board of the National Taxpayers Union.