Mr Horne, who has 25 years' experience working at ASX-listed companies, will be responsible for overseeing the organisation's "ambitious governance agenda", said a statement.
He has worked in a diverse range of sectors including food and beverage, hotels, retail, residential/commercial property and agriculture.
Mr Horne said governance is a "whole-of-organisation" issue.
"It requires a framework linking roles, authorities and accountabilities with strategic objectives to empower good decision-making, while clarifying which matters are ‘off-limits’," he said.
"And while there is widespread recognition in the business sector that good governance is a cornerstone for success, there is more to be done in the not-for-profit and public sectors and the wider community."
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