William (Billy) Cobbett is the former Director of Cities Alliance and served as the Director General for the South African National Department of Housing in Nelson Mandela’s Government of National Unity, overseeing the design and launch of South Africa’s first non-racial housing policy under Minister Joe Slovo. While at UN-Habitat, he designed and launched the Global Campaign for Secure Tenure. He served as Director of the Cities Alliance from 2006-2021.