Gregg Rudloff, who won Academy Awards for sound mixing "Mad Max: Fury Road," "The Matrix," and "Glory" and was nominated four other times, is dead. He was 63. He died in Los Angeles on January 6, reports variety.com.

A representative for the Los Angeles County Coroner's office said that the office is treating his death as a possible suicide with results of an autopsy pending. Rudloff was nominated for an Oscar for "American Sniper", Best Picture winner "Argo", "Flags of Our Fathers" and "The Perfect Storm". He also won an Emmy for sound mixing "An Early Frost" in 1985.