What is the relationship between Brian Hartzer and Westpac 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.

Late on Friday, AMP Ltd chief executive Craig Meller and Westpac chief executive Brian Hartzer both told the Senate committee into scrutiny of financial advice they would support the establishment of a last-resort scheme for investors unable to receive the compensation awarded to them by a court for poor financial advice because their financial planner had gone broke or was refusing to pay.

Answer: employer