Maria Sierra

Melbourne

Maria Sierra in Melbourne works at BHP (Vice President Operational Audit).

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BHP Feb 2017 - Present - Present
Vice President Operational Audit

BHP Billiton Jan 2012 - Jan 2017 - Jan 2017
Senior Manager HSEC & Operational Audit

BHP Billiton Jan 2009 - Jan 2012 - Jan 2012
Manager Systems & Assurance

None listed.