Mary Kate Jiménez-Wall, also known by her artist name Reven, is a singer and composer with a degree in Songwriting from Berklee College of Music. She admires, and aspires to create, music that connects listeners and performers to each other and to the world around them.

Her strongest foundation lies in choral music. She has written and arranged for various choral ensembles, including the Angel City Chorale of Los Angeles. When she is not writing original pieces, Mary Kate is usually working on video game arrangements as Reven, and often contributes to works by her husband, composer and arranger Daniel Jiménez (Rozen).