Mark Anthony Spears, known professionally as Sounwave, is an American record producer and songwriter. He is a frequent collaborator of rapper Kendrick Lamar, having worked on each 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 eight Grammy Awards, becoming the first rap producer to win Record of the Year in consecutive years (2025-2026).