Deloitte Digital is one of the world's 10 biggest agency companies: In 2017 Ad Age ranked Deloitte Digital as the world's second-largest digital network, behind rival Accenture Interactive. Hatch joins me today to explain what, exactly, it is Deloitte Digital does. "We exist to make old companies new again," she says. She explains what that means, how data and tech like AI come into play and discuss her early career on a disease control project during an outbreak in West Africa.