He came together with his brothers to form AJR in 2006 when they started performing covers before composing original music.
For AJR, he plays the guitar, melodica, and ukulele.
He is from New York City, New York. His parents, Gary Metzger and Laurie Marvald, have worked as architects.
He acted in the 2013 film Billy Bates, which starred Josephine de la Baume.