Carmel-based KAR Auction Services Inc. has named John Hammer president of the company’s ADESA business unit. The appointment follows the resignation of Stéphane St-Hilaire who led ADESA since early 2014. Hammer is an automotive industry veteran, who previously served as chief executive officer of KAR’s Automotive Finance Corp. business before leaving the company in 2016.

He will officially re-join the company effective February 26. Hammer recently served as CEO of Lawrenceville, Georgia-based U.S. Auto Sales Inc.

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