Noah Sierota is an American musician best known as the bassist for the pop rock band Echosmith. The band gained popularity with their hit single "Cool Kids," which was released in 2013. Noah, along with his siblings, formed the group, showcasing their talent for catchy melodies and relatable lyrics. In addition to his work with Echosmith, Noah is involved in various musical projects and collaborations. He has contributed to the band's songwriting and has participated in their tours, helping to build a strong fan base. Noah's passion for music continues to drive his career forward.