He is one half of the iconic hip hop duo Mobb Deep, and in addition to producing nearly the entire Mobb Deep catalogue, has also produced songs for MCs such as The Notorious B.I.G., Eminem, Nas, Raekwon, 50 Cent, 112, Method Man, Mariah Carey, Puff Daddy, Kanye West, LL Cool J, Rohff, Big Noyd, Lil' Kim, Capone-N-Noreaga, Foxy Brown, Onyx, and his partner Prodigy on his solo work.

Popular music magazine Complex ranked Havoc among the top hip hop producers of 1995 after The Infamous.

Following The Infamous, he tweaked his skills and transitioned to a more atmospheric production style that incorporated samples from classical music, most notably visible on the 1996 album Hell on Earth.

In 2010, Havoc produced a beat for Eminem that resulted in a song called "Untitled" which is a hidden track on Eminem's album Recovery and contributed to the iTunes bonus track to Raekwon's album Shaolin vs. Wu-Tang & Bad Meets Evil's Hell: The Sequel EP.

[6] In 2016, Havoc helped produce "Real Friends" and "Famous", two tracks on Kanye West's album The Life of Pablo.

[7] His original productions have been featured in numerous commercially successful films, well known television series and popular video games, and he is a character in Def Jam: Fight For NY.