Skyscraper
Adventurer
We''ll assume for this question that a DM rolling in the open can occasionally roll behind the screen, e.g. for stealth or other rolls that are preferably concealed.
But for the vast majority of rolls, they roll in front of the players: init, attack rolls, damage, saving throws, most skill checks, ...
But for the vast majority of rolls, they roll in front of the players: init, attack rolls, damage, saving throws, most skill checks, ...