Get ready to say goodbye to
And hello to
Sawyer will be "stepping aside" to lead "new programming tackling big issues and extraordinary interviews," says the announcement from ABC President James Goldston.
Muir will become anchor and managing editor of World News, starting Sept. 2.
Stephanopoulos, anchor of
"After wonderful years at World News I decided it is time to move to a new full time role at ABC News," says Sawyer in the announcement.
She says she'll be "dedicated to enterprise reporting, innovative approaches to breaking news and new ways of thinking about big issues and events around the world."