|Portrayed by||Jack Laufer|
|First appearance||Public Relations|
Frank Keller is Don Draper's accountant.
A year after Don divorce with Betty Hofstadt, Don meets with Frank. He suggests that Don should sell the house as this makes financial sense. Don doesn't want a fight with Betty, even though she was supposed to have vacated the house October 1. ("Public Relations")
Because of a Department of Defense investigation into his past, Don met with Frank to discuss setting up a financial trust for his children that even his ex-wife would have access to if he was no longer around. ("Hands and Knees")