Mason Chadwick Shefa (/ˈʃɛfə/ SHEF-ə; born May 28, 1993) is an avant-garde filmmaker[1] and sacred music composer based in Studio City, California.

[5] In 2016, Shefa published a 248-page collection of his sacred works for a cappella chorus, entitled The First Book of Music: Containing Anthems, Motets, Hymn Tunes, Chants, and Services for the Various Seasons of the Church Year.

[6] In May 2011, Shefa received the National Gold Medal at the 2011 Scholastic Art and Writing Awards, held in Carnegie Hall, for his portfolio of eight experimental films.

In September 2012, singer/songwriter Lana Del Rey obtained permission to incorporate Shefa's film, Psalm 51, in her iTunes Festival concert in London, United Kingdom.

In February 2015, Shefa was a member of the judges panel of the "concorso internazionale di cortometraggi" category of the 2015 Lucca Film Festival.