Our Values & Mission
Meet the team
Definitiv is home to a dedicated collection of developers, industry experts and customer relations wizards.
Roy Mellon is the Founder and Chief Executive of the Definitiv Group. Roy is passionate about offering companies a modern, efficient and better alternative to people management.
As Non-Executive Director, Rhett Tregunna lends his wealth of business and entrepreneurial experience to help drive the commercial growth of Definitiv.
Mathew Paine is the Director of Human Resources at ICC Sydney. Mathew has over 18 years of senior Human Resource Management experience within the private and not for profit sectors in both Australia and the U.K.
Tyson Stolarski has led the development team for four years and is responsible for bringing the vision for Definitiv to life.
Chief Technology Officer
Nicola Salmond is the CFO across the Definitiv Group and BoardRoom. ICAS and ICAA accredited, Nicola has been successfully growing her career in finance and accounting since 1988.
Chief Financial Officer
George Lygoyris has built a successful career around finance and sales. As the General Manager for sales across Definitiv Group and BoardRoom, George has developed a strong sales force.
General Manager, Sales
Martin Jones holds the role of General Manager, Corporate Governance across the Definitiv Group and BoardRoom. Martin manages the legal, risk, audit and compliance functions.
General Manager, Corporate Governance
Tania Cole spearheads the operations for Definitiv. With over ten years in the payroll profession, Tania has developed unparalleled skills and knowledge in payroll management.
Tracey Biddle is an experienced Projects Manager with over 25 years’ experience in payroll and HR. Leading and nurturing a highly skilled Projects team, she has successfully managed the implementation
Rebecca Mancini is responsible for overseeing marketing and building Definitiv’s brand presence in the market. She is most passionate about developing strategies to enhance the customer experience.
Awards & Memberships
As an equal opportunity employer, we encourage diversity in the workplace. We are a proud supporter of Working Spirit, a not-for- profit organisation helping veterans to find rewarding employment.
General Sir Harry Chauvel Foundation
The General Sir Harry Chauvel Foundation was created in honour of General Sir Harry Chauvel, his achievements and his strong values. Through education and commemoration, the Foundation seeks to inspire future generations of Australians.