Why did Peggy leave Mad Men?

Towards the end of season five, Peggy accepts a job offer from another agency, CGC, and quits her job at Sterling Cooper Draper Pryce.

Is Peggy in love with Don Draper?

Though not a romantic one, they have had their share of “break-ups” and “make-ups,” like any good love story does. Most importantly, Don (Jon Hamm) and Peggy (Elisabeth Moss) have been able to lean on each other and support one another.

Who is Peggy Olson based on?

By Judann Pollack.