Fox News Chairman and Chief Executive Officer Roger Ailes made the announcement in New York Tuesday. "Bill is a journalist of great integrity, and his strong reporting and anchoring skills will prove beneficial to the entire Fox News team," Ailes said.
Among the many stories Hemmer covered for CNN was the death of Pope John Paul II and Operation Iraqi Freedom.
He has received many honors over the years, including a 1996 Emmy.
A native of Cincinnati, Hemmer began his career as a weekend sports anchor for WCPO-TV in his hometown.