Acoustic guitarist and singer whose 2002 single "The Remedy (I Won't Worry)" propelled him to fame. He released his third album, We Sing. We Dance. We Steal Things. in 2008, and the album's first single "I'm Yours" spent 76 weeks on the U.S. Hot 100 chart.
His parents, Tom and June Mraz, divorced when Jason was four and he attended Lee-Davis High School and AMDA College in New York.
His last name means "frost" in Czech.
He married makeup artist Sheridan Edley Mraz in 2001, yet they divorced later that year. He then married Christina Carano in 2015. He was also previously in a relationship with fellow singer/songwrither Tristan Prettyman.
He performed as the opening act for an Alanis Morissette concert in 2005.