Utilize the input text as a context reference, choose the right relationship between Brian Hartzer and Westpac from the options. Options: 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.

Westpac managing director Brian Hartzer told the hearing his bank had removed 11 planners since January 2009 after they offered bad advice that resulted in the bank paying $2.5 million in compensation to customers.

Answer: employer