Chifley Financial Services (Chifley) general manager Chadwick Pocock has departed the firm.
During his 13-year tenure, Pocock oversaw the operations of the firm. He has also worked at Deloitte and Duesburys Chartered Accountants.
The firm has appointed Brad Storey as acting manager.
"We wish Chadwick all the best for the future," Chifley chief executive Richard Powis said.
Chifley provides corporate clients, employers and people with insurance, superannuation and financial planning services. It also provides investment products for institutional investors.
In November 2008, the New South Wales Aboriginal Land Council withdrew $183 million from the CHIF Trust, which is managed by Chifley Financial Services.
The company is owned by the Local Government Superannuation Scheme, the Energy Industries Superannuation Scheme and Unions NSW.