Jason Paul Douglas Boyd, known professionally as Poo Bear, is an American singer, songwriter, and record producer. He is best known for his songwriting work for Canadian singer Justin Bieber, having been credited on each of his albums since his debut compilation album, Journals (2013). Boyd has written four Billboard Hot 100-number one singles with Bieber's performances on his remix of Luis Fonsi and Daddy Yankee's "Despacito" and his collaboration with DJ Khaled, "I'm the One", alongside his singles "Where Are Ü Now" and "What Do You Mean?". Furthermore, Boyd has written Bieber's top 40 singles "Intentions", "Forever", "I Don't Care", and "All That Matters".