Penn Jillette is a cultural phenomenon as a solo personality and as half of the world-famous Emmy Award–winning magic duo Penn & Teller, whose live show spent years on Broadway and is now the longest-running headlining show in Las Vegas. The pair have their own star on the Hollywood Walk of Fame.

Jillette cohosted the Showtime series Penn & Teller: Bullshit! which was nominated for thirteen Emmy Awards and won him a Writers Guild Award. He currently cohosts the CW Network competition series Penn & Teller: Fool Us! His weekly podcast, Penn's Sunday School, was the number one downloaded podcast on iTunes during its debut week and was named by iTunes as Best New Comedy Podcast.

He is the author of numerous books, including the nonfiction New York Times best-selling books Presto!: How I Made Over 100 Pounds Disappear and Other Magical Tales and God No!: Signs You May Already Be an Atheist and Other Magical Tales; the novel Sock; and the essay collection Every Day Is an Atheist Holiday!