His exit comes amid a larger shakeup in the management ranks at CNN Philippines.
His retirement takes effect September 30.
The international, award-winning journalist will become anchor and managing editor at ANC.
Leading the pack is longtime TV5 host Shawn Yao, who will be anchoring the network's top of the hour news bulletin.
He will be responsible for the editorial direction, as well as all aspects of the channel's news programming and operations.