Dennis Berry, president and CEO of Manheim Auctions, will become president and COO of Manheim's parent company, Cox Enterprises.

Dean Eisner, formerly Cox's vice president of business development, will succeed Mr. Berry at Manheim Auctions.

Mr. Eisner has been involved with many of Manheim's business initiatives, including the acquisition of ADT Automotive, and the launches of Manheim Interactive and AutoTrader.com.