Diane Sawyer will be stepping down from her role as anchor of "World News" after five years and will be replaced by David Muir,
According to a note sent by ABC News President James Goldston to staff, Sawyer will continue to report for the network "for many years to come" but will focus on "devoting her boundless energy full time to a team which will create and commission original reporting, big ideas and interviews for all platforms."
"Diane decided that now is the moment to concentrate full time on tackling big issues in new ways," he said.
Under Sawyer, who followed
But according to Goldston, Sawyer began to express interest in a new role to Disney/ABC Television Group co-president
Muir, who is the weekend anchor of "World News" and co-anchor of the news magazine
In his new position, Stephanopoulos will be the lead anchor for live coverage of breaking news and other major events. He will also continue at both "This Week" and the top-rated "Good Morning America."
The division of labor between Muir and Stephanopoulos is a somewhat unusual arrangement for network news, one seemingly designed to acknowledge Stephanopoulos' leading role in the news division without disrupting the successful formula in place at "Good Morning America."