Jon Glassberg
Jon Glassberg is an American documentary and adventure filmmaker. He works as a director, cinematographer and producer. Starting from his roots as a professional climber, Glassberg has ventured globally to capture historical moments in outdoor sports with the industry's biggest names. His production company, Louder Than 11, documents authentic stories in extreme environments around the world. Glassberg has filmed nine free ascents on El Capitan over 15 years. Glassberg is the director of Freedom of the Wheels (Mountainfilm 2017).