Nicholas John Gillespie is an American libertarian journalist who was editor-in-chief of Reason magazine from 2000 to 2008 and editor-in-chief of Reason.com and Reason TV from 2008 to 2017. Gillespie originally joined Reason’s staff in 1993 as an assistant editor and ascended to the top slot in 2000.

Gillespie has a Ph.D. in American literature and edited the 2004 anthology Choice. He is a two-finalist for digital National Magazine Awards and one of the “Top 25 Journalists on The Right” according to the Daily Beast.

Gillespie served as editor in chief of Reason magazine from 2000 to 2008, creating its award-winning blog Hit & Run (praised by Playboy, the Washington Post, and the Village Voice) and making history by publishing the first mass-personalized magazine cover for 45,000 Reason subscribers in June 2004.