Nicknamed ‘The Mad One’ for her radical approach to graffiti art, Claudia Walde works under the name MadC as a graffiti artist, muralist and designer, based in Berlin. Internationally recognised for her vibrant and arresting public works on a monumental scale, her nearly 30-year career boasts murals across the world, from New York to Abu Dhabi. MadC has recently taken her street art practice into the studio, simultaneously producing large outdoor murals, canvas paintings and digital art.