Mark David Lee (born May 29, 1973) is an American musician known as the guitarist and a founding member of the Christian rock band, Third Day.
Lee has performed over 1,200 shows with the band, traveling throughout the United States, Europe, Australia, Brazil, and South Africa.
In 2008, Third Day became the first Christian artist to embark on a USO tour, performing for American troops in Iraq and Kuwait.
Lee has written songs with or for numerous other artists, including Matthew West, Kim Hill, Bart Millard, and Steven Curtis Chapman.
Lee published his debut memoir, Hurt Road: The Music, the Memories, and the Miles Between, on September 5, 2017, through Revell Books.