What is the relationship between Joe Kaeser and Siemens in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Germany's exporter-heavy auto industry, home of carmakers such as Volkswagen and Daimler, could be poised for a slowdown next year as demand in foreign markets slows, Siemens Chief Executive Officer Joe Kaeser said in a newspaper interview.

Answer: employer