John Stankey will become the new chief executive officer of AT&T.
Lora Cohn brings experience from 20th Century Fox Consumer Products, White Space Entertainment and The Tangent Agency.
Sasha Junk has been named president of Kidz Bop.
Rebecca Glashow has been appointed to the post.
The company has named Jamie Iannone as chief executive officer.
Simon Leslie has been appointed as a new vice president.
Katie Wilson has been appointed to the post.
Two executives have been promoted.