 The Munk School is also home to the G20 Research Group, which conducts independent monitoring and analysis on the Group of Twenty, and the Citizen Lab, which conducts research on Internet censorship as a joint founder of the OpenNet Initiative.The university operates international offices in Berlin, Hong Kong and Siena.The Dalla Lana School of Public Health is a Faculty of the University of Toronto that began as one of the Schools of Hygiene begun by the Rockefeller Foundation in 1927.