Bloomberg L.P. is a privately held financial software, data, and media company headquartered in Midtown Manhattan, New York City. Bloomberg L.P. was founded by Michael Bloomberg in 1981 with the help of Thomas Secunda, Duncan MacMillan, Charles Zegar, and a 30% ownership investment by Merrill Lynch.
Master Chief Petty Officer John-117, or more commonly known as the Master Chief, is a Spartan-II commando of the UNSC Naval Special Warfare Command who became one of the most important UNSC heroes during the Human-Covenant war.
This article is about the character. For the Halo 3 campaign level, see Sierra 117. Master Chief Petty Officer John-117, better known to the public as the Master Chief, is a Spartan-II supersoldier of the UNSC Navy's Special Weapons division. He served as one of the most important figures of the Human-Covenant War.