Roz is a slug in charge of the door teams. She is constantly asking Mike for his paperwork and speaks very coldly.
She intercepts Mike when he is leaving work to get him to hand in his paperwork.
When Waternoose is arrested, she introduces herself as a CDA agent who has been working undercover for two and a half years. Roz tells Mike and Sulley the child must go back home and that the door must be shredded.