Adam "Messy" Messinger is a Grammy Award-winning Canadian-born record producer, songwriter, and multi-instrumentalist based in Los Angeles, California.

[1] He is a producer for Canadian reggae band Magic!, but was initially a producer/songwriter as a member of the production duo The Messengers—both along with Nasri Atweh—earning credits on a multitude of successful singles and albums.

Born in Toronto, Messinger started playing the piano at age five, and proceeded to develop skills for a variety of instruments, including sax, bass, guitar, and drums/percussion.

After being enrolled in the Claude Watson School for the Arts program from grade 4 through to 13, he attended the music program at York University in Toronto, where he was awarded the Oscar Peterson Scholarship for Jazz studies two years consecutively.

In recent years, his partnership with fellow Canadian singer/songwriter Nasri (together often known as "The Messengers") has functioned as a writing and production team for such artists as Justin Bieber, Shakira, Pitbull, Christina Aguilera, Chris Brown, Halsey, Michael Bolton, Iggy Azalea, The Script, Kris Allen, Lea Michele, Cody Simpson, The Wanted, JoJo, Vanessa Hudgens, No Angels, Brandy and the New Kids on the Block.