"But it's all about on the pitch and getting out there and doing the business.
"The lads I know here will help me get settled in, they've already told me about the club."
Reid, an Ireland international, hopes to act as a play-maker in Sunderland's team.
He said: "My main job is to create chances, to keep play flowing and to chip in with a goal or two.
"I feel I can play anywhere across the middle, but I like playing central midfield. I just love playing football so I'll play anywhere I'm told."