Misha Mansoor, also known as Bulb after the name of his solo project, is an American musician, best known as the founder of and one of the three guitarists in the progressive metal band Periphery. He is also a part of the projects Haunted Shores and Four Seconds Ago, and Of Man, Not of Machine.

Periphery is an American progressive metal band formed in Washington, D.C., in 2005. Their musical style has been described as progressive metal, djent, and progressive metalcore. They are considered one of the pioneers of the djent movement within progressive metal. They have also received a Grammy nomination. The band consists of vocalist Spencer Sotelo, guitarists Misha Mansoor, Mark Holcomb, Jake Bowen, and drummer Matt Halpern.