William Andrews McDonough is an American architect, founding principal of William McDonough + Partners, co-founder of McDonough Braungart Design Chemistry (MBDC) with German chemist Michael Braungart as well as co-author of 'Cradle to Cradle: Remaking the Way We Make Things also with Braungart. McDonough's career is focused on designing environmentally sustainable buildings and transforming industrial manufacturing processes.