John Dyer, chief operating officer of Atlanta-based Cox Enterprises, will assume the role of president and chief executive officer on Jan. 1, the company announced Thursday.

Dyer will be responsible for the company’s four main subsidiaries: Cox Communications, a cable TV provider; Manheim, a wholesale vehicle marketplace; AutoTrader Group, an online auto classified marketplace; and Cox Media Group, a broadcasting, publishing and digital media company. Cox’s holdings include The Atlanta Journal-Constitution.

Dyer, a 36-year company veteran, will replace retiring CEO Jimmy Hayes, who has been with the company for 33 years and has served as president and CEO since 2008.

About the Author

Keep Reading

Sunday co-founders Tigrane Seydoux (left), Victor Lugger and Christine de Wendel. (Courtesy of sunday)

Credit: (Courtesy of sunday)

Featured

University of Georgia students are seen entering and leaving the main Library on the Athens campus on Monday, Sept. 8, 2025. (Miguel Martinez/AJC)

Credit: Miguel Martinez-Jimenez