Bernard MacMahon is a filmmaker, most recently directing Becoming Led Zeppelin, a music documentary that holds the record for the highest-grossing opening weekend across IMAX theaters worldwide and is currently the highest-grossing documentary of 2025. He gained international acclaim with the American Epic series, which chronicles the origins of American roots music and the revolutionary impact of early sound recording technology. MacMahon has been recognized for his groundbreaking approach to documentary filmmaking, blending historical research, rare archival footage, and innovative audiovisual storytelling. His work has earned multiple prestigious awards, including audience honors at major film festivals, Emmy, BAFTA, and Grammy nominations and wins.

Becoming Led Zeppelin was released in IMAX on February 7, 2025, with a wider cinema release following on February 14, 2025. The film is streaming now on Netflix, Apple TV, and Amazon Prime Video. 

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