Mark Anthony Spears (born February 28, 1986), known professionally as Sounwave, is an American record producer and songwriter. He is a frequent collaborator of rapper Kendrick Lamar, having worked on all of his projects since his 2009 self-titled extended play. Sounwave has also worked with artists such as Beyoncé, Taylor Swift, Kali Uchis, Schoolboy Q, Mac Miller, Chloe x Halle, and Bleachers. He has won three Grammy Awards, including two for Best Rap Album.