A British filmmaker known for his impactful documentaries, he gained prominence with works focusing on global social issues. His debut feature, "Virunga" (2014), highlighted conservation efforts in the Democratic Republic of Congo and earned an Academy Award nomination. He won an Oscar for "The White Helmets" (2016), a short film about Syrian rescue workers. His storytelling often emphasizes human resilience and draws attention to underreported crises around the world.