Bart Marshall Millard (born December 1, 1972) is an American singer and songwriter who is best known as the leader of the band MercyMe. He has also released two solo albums: Hymned, No. 1, in 2005 and Hymned Again in 2008. He received a solo Grammy nomination in the category of Best Southern, Country, or Bluegrass Gospel Album for the latter album.

Source: Wikipedia (https://en.wikipedia.org/wiki/Bart_Millard)