Katharine Wyatt

Katharine Wyatt is a doctor at Seattle Grace Hospital.

Personal life
Meredith frequently speaks to her about Derek and Cristina. When Cristina went to Wyatt and barely said a sentence to her, Wyatt knew it was Cristina.

Career
Dr.Wyatt is a psychiatrist at seattle grace hospital. She is currently holding therapy sessions with Dr. Meredith Grey. Meredith at first was unwilling to talk to her but eventually opened up. In the season 4 finale she tried to quit but Wyatt insisted that she shouldn't as she was finally making progress. In the end, Meredith decided to continue with them.

Erica Hahn also went to her for at least one therapy seession.