As part of the communications department change, SVP Susan Lundgren is leaving after a decade.

She came through CBS Interactive and later became SVP Communications for ViacomCBS Streaming.

She also will collaborate closely with Chris McCarthy and his team in his role overseeing Showtime.

Erin Calhoun

Erin CalhounShowtime

In her cross-company publicity capacity, Calhoun will report to Justin Dini, EVP, Head of Corporate Communications.

Prior to joining NBC, Calhoun worked for six years at Discovery Communications as VP Communications.

Calhoun began her career atThe Today Showas a talent coordinator.

WGA West building in Hollywood

Ryan also acknowledged Lundgren.