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Our Values & Mission

We are changing the payroll and HR industry through superior user experience and technology. Our team is working together to advance the way companies and their people interact.

Design thinking & innovation

We value great design, elegant solutions and contemporary styles that make doing business more human.

Commitment & belonging

We value team culture and nurture a sense of belonging - everyone working together and committed to achieving a common goal.

Integrity & pride

We have integrity and always respect our users - we stand with pride behind everything our company produces.

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.

Roy Mellon

Chief Executive

As Non-Executive Director, Rhett Tregunna lends his wealth of business and entrepreneurial experience to help drive the commercial growth of Definitiv.

Rhett Tregunna

Non-Executive Director

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.

Mathew Paine

Non-Executive Director

Tyson Stolarski has led the development team for four years and is responsible for bringing the vision for Definitiv to life.

Tyson Stolarski

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.

Nicola Salmond

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.

George Lygoyris

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.

Martin Jones

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.

Tania Cole

Operations Manager

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 of over 160 clients.

Tracey Biddle

Projects Manager

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.

Rebecca Mancini

Marketing Executive

Awards & Memberships

We aren’t the only ones who believe in what Definitiv is doing. Our company has been recognised in the business community for the changes we’re making to the payroll and HR industry.

Working Spirit

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.

Interested in a career?

We are always looking for fresh talent to join our friendly team. If you are keen to be part of an exciting and growing brand, then go ahead and let us know who you are.

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