Roy Mellon

Chief Executive, Definitiv Group

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Founder and Chief Executive of the Definitiv Group, Roy Mellon has over ten years of experience in the payroll and human resources industry. Passionate about driving positive change in people management, in October 2016, Roy launched the multi-award winning Definitiv payroll and HR platform that now supports 160 companies nationwide and processes over $1.5 billion in transactions annually.


Prior to his business career, Roy was a soldier in the Australian Army. Unfortunately, after a sustaining an injury that left him with osteoarthritis in both feet, Roy was medically discharged. As a retired veteran, he knows first-hand the difficulties veterans face when transitioning from military to civilian life. Therefore, outside of Definitiv, and in partnership with the not-for-profit organisation Working Spirit, Roy actively advocates on the behalf of veterans seeking employment and encourages more Australian companies to consider hiring our highly skilled ex-service personnel.

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