Bernie Dean will start his new position at ISA as chief executive on 1 September 2018.
Mr Dean, who is currently the chief operating officer of ISA, will replace long-serving CEO David Whiteley whose departure was announced on 13 April 2018.
Mr Whiteley will be joining IFM Investors as global head of external relations in September.
Mr Dean is a former Victorian public servant and has held positions at WorkSafe Victoria and the department of former Victorian Premier Steve Bracks.
Commenting on Mr Dean's appointment, ISA chair Peter Collins said: "Bernie’s commitment to improving the quality of retirement of all Australian workers is paramount."
"During his time at ISA, Bernie has led a series of ground-breaking campaigns, including ‘Compare the Pair’, ‘In good hands’ and ‘Banks aren’t super’," he said.
"More broadly, Bernie has experience working with governments, employers and trade unions and is well-known among industry super funds."