Andy Muschietti is an Argentine film director and screenwriter known for his work in the horror genre. He gained international recognition with his directorial debut of the supernatural horror film 'Mama' in 2013, which was based on his own Argentine short film. Muschietti further rose to prominence for his work on the highly successful adaptation of Stephen King's novel 'It' into two films, 'It' (2017) and 'It Chapter Two' (2019). His visual style and ability to create tension and suspense have earned him praise from both audiences and critics.