What is the relationship between Mary Barra and General Motors 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.

General Motors Co. GM -1.07 % Chief Executive Mary Barra said earlier this week she sees no need to follow Ford’s move because she is confident the company can profitably build its small cars in the U.S. GM builds its Chevy Sonic subcompact and Cruze compact in the Midwest.
employer