Christopher Scott Thile (born February 20, 1981) is an American mandolinist, singer, songwriter, composer, and radio personality, best known for his work in the progressive acoustic trio Nickel Creek and the acoustic folk and progressive bluegrass quintet Punch Brothers. He is a 2012 MacArthur Fellow. In October 2016, he became the host of the radio variety show A Prairie Home Companion, which in December 2017 was renamed Live from Here.