Managing Director


Before becoming the Director of the Ausure Financial Group, Callum held senior advice roles with global accounting firms and banking institutions. With 10 years of experience providing quality financial advice to his clients, Callum has developed a loyal clients base who trust him with all of their financial decisions. Callum holds a Diploma of Financial Planning with advanced qualifications in SMSF, Taxation and Estate planning. Callum also holds a Certificate IV in Business Management (Griffith University Gold Coast)


Callum's role with the Ausure Financial Group is to manage the day to day business and implement our companies strategic plan. Callum will assist our financial advisers to recommend appropriate strategies to our clients to ensure they are receiving the best advice in the market. Callum is still active as a financial adviser and currently manages corporates, high net worth clients and retirees.

  Callum Mitchener    
  Troy Brown    



As the Managing Director of the greater Ausure Group Troy brings a wealth of business acumen to the Ausure Financial Group. Prior to becoming the Managing Director of Ausure in 2009 Troy was the General Manager of Hollard Insurance. Troy is a practicing solicitor (Law degree/university of New England) holds a master degree in finance & entrepreneurship, and is a qualified accountant (CPA Australia). Troy is a member of the Australian society of certified practicing accountants (CPA), NSW Law society and the Brisbane Golf club.


Troy's responsibilty with the Ausure Financial Group is to work closely with our management team in driving the Ausure Financial Group to achieve its strategic plan. Troy oversees all legal and accounting matters.

 Our Advisers    

  Garth Collingwood  
  Katrina Robbins  

Brisbane, Senior Financial Planner

Brisbane, Senior Financial Planner

  Byron Breckle    

Brisbane, Financial Planner



Monday-Friday 8:30am-5:00pm




P l   07 3319 5142



Head Office


Level 25, 324 Queen St

Brisbane QLD 4000



© 2023 by Ausure Financial Group