Mungo has 30 years of experience in medical architecture. In the 1980's he was project architect for Edward Cullinan Architects. He then moved to become Head of Design at the Medical Architecture Research Unit, University of North London.
In 1991 he became a founding director of MAAP. Mungo continues to be involved in research through consultancy with the Department of Health; he is member of their Design Review Panel and is regularly invited to speak on the design of healthcare environments in the UK, Europe and Australasia.