An Israeli-American film director, producer, and screenwriter, he is best known for creating the groundbreaking horror film *Paranormal Activity* (2007), which became a massive hit and reinvigorated the found footage genre. Originally a software programmer, he transitioned into filmmaking with no prior experience. His success with low-budget, high-impact storytelling led to further projects, including producing *Insidious* and *The Chernobyl Diaries*. He continues to influence the horror genre with innovative concepts.