Mark Colless – Biography
Last update: April 24, 2026Executive profile
Mark was Executive Manager RBS Finance at Commonwealth Bank of Australia, and Group Manager, Financial Services at MidCoast Water. Mark Colless joined Newcastle Greater Mutual in 2023. Mark served as Deputy Chief Financial Officer at Newcastle Greater Mutual.
Mark Colless is currentlyDeputy Chief Financial Officer at Newcastle Greater Mutual - View - Newcastle Greater Mutual org chart
Director at ASL - View - ASL org chart
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Education
Mark Colless has a Master of Business Administration from Macquarie Business School in 2020 and a Directors’ Education Program from Australian Institute of Company Directors in 2021.
They have also studied at Australian Institute of Company Directors :
- Shelley Boland - Standard Chartered
- Sally Auld - National Australia Bank
- Anand Shankaran - Intertek Group
Find more alumni from Australian Institute of Company Directors
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Company Colleagues
- At Newcastle Greater Mutual, Mark Colless has 23 colleagues including Bernadette Inglis (Managing Director & CEO), Darren Turner (Chairman of the Board)…
- At ASL, Mark Colless has 25 colleagues including Mark Tibbles (CEO), Vincent Pace (Director)…
Industry Colleagues
- In the Banking industry, Mark Colless has 103,022 colleagues in 5,518 companies located in 187 countries. 41,304 executive movements have been recorded in the last 12 months. Learn more about Banking.
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