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John Hammer

President

John Hammer is president of ADESA, a business unit of KAR Auction Services. In this role, he directs the development and implementation of ADESA’s overall strategy and growth objectives and oversees the company’s North American operations. He assumed this role in February 2018.

Hammer is an automotive industry veteran with more than 25 years of...

Roles at ADESA

  • President

    Current role


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