He has so far declined to move into the grand papal apartments in the Apostolic Palace, preferring to stay for now at a Vatican guesthouse where he has been living and dining with other clergy.
Pope Francis will continue to use the papal library on the second floor of the Apostolic palace for receiving official guests and will appear on Sundays at the window used by previous popes to address pilgrims in St Peters Square.
Michael Hintze might run a big and successful hedge fund, enjoy a view of Buckingham Palace's gardens from his office and boast the title of papal knight.