About Us

We are a small management consulting practice in West Perth with over 20 years of experience in public, private, non-profit, and even professional sports.

Every human being is unique with distinctive strengths (and weaknesses), has something important to contribute, and has a special purpose that needs to be pursued.

Everything we do must be premised on the “Pursuit of Goodness” – considering not just “why who and what” but “HOW”. People and their behaviours are critical to this.

Results require disciplined effort – a cost, a price to be paid, upfront, and at least proportionate to the desired outcome.

  • If your organisation is experiencing significant change – growth or decline – we can assist. Our proprietary model helps clarify Purpose, engage your People and achieve peak performance.

  • We have particular expertise and experience working with high-net-worth families and advising them on their personal and corporate needs, especially in the context of succession-planning.

Team Directory

📧 John Dasey – +61 8 6377 7607
📧 Peter Hymus– +61 8 6377 7607
📧 Madhuri Vellayan– +61 8 6377 7609
📧 Bob Hunter – +61 8 6377 7608
📧 Pauline Barreaud – +61 8 6377 7608
📧 Kyle Bricknell – +61 8 6377 7605
📧 Saarrah Mathinthiran – +61 8 6377 7607
📧 Sonya Demourtzidis – +61 8 6377 7607
📧 Nick Marvin – +61 8 6377 7606

Detailed profiles of our team members below…

Saarrah Mathinthiran

General Manager

Saarrah MathinthiranSaarrah Mathinthiran gained experience in finance and developed her systems and processes improvement skills at different Western Australian SMEs.

Saarrah has extensive experience in recruiting, placing talent ranging from CEO level to technical and administration. She also provides financial analysis advice for our turn-around, transformation and acquisition clients.

Saarrah graduated from a ISC Paris with a Masters in Finance and has a Masters in Human Resources and Employment Relations from the University of Western Australia.

▷ +61 8 6377 7607 ⋮ ▷ saarrah@marvincg.com

Madhuri Vellayan

Associate Consultant

Madhuri VelayanMadhuri graduated with a Bachelor’s in Commerce Degree majoring in Human Resource Management and Management from the University of Western Australia.
During her university degree, she gained experience in the hospitality industry and values customer service as a priority. She has worked as an ISS educator at after-hours school care where she developed several classroom management, communication, and problem-solving skills.
Prior to joining marvin Consulting as an associate, Madhuri spent some time in the accounting sector.

▷ +61 8 6377 7609 ⋮ ▷ madhuri@marvincg.com

Phoebe Herman

Associate Consultant

Phoebe graduated with a Bachelor’s in English Literature and a Master’s in Human Resource Management from the University of Exeter, United Kingdom. She gained practical and theoretical insights into Human Resources at university. Phoebe developed a particular interest in the influence of effective leadership, leadership development and an organisation’s ability to be agile and resilient. This prompted her to write her Master’s thesis on this subject which enabled Phoebe to gain invaluable insights from leading business professionals through qualitative research. 

John Dasey

HR Lawyer

John Dasey

Admitted to legal practice in 2009, John Dasey has over 30 years hands- on experience in Workplace Relations and Human Resources.

After initially working for employee organisations, he was a senior HR leader in large commercial organisations for more than a decade, before establishing Dasey Legal in 2018.
Applying a practical approach and a deep knowledge of employment matters, John’s goal is to add value whenever he provides a service. Examples include:
• Creation of readable plain English employment contracts and policies
• Advice on enterprise bargaining
• Advice on award coverage and interpretation of industrial instruments
• Representation in court or Fair Work Commission matters
• Conducting investigation- employee and customer complaints, misconduct etc.
• Managing redundancy processes.
▷ +61 8 6377 7607 ⋮ ▷ john@marvincg.com

Bob Hunter

Senior Consultant

Bob HunterBob’s early working years saw him serve for 16 years in the military, primarily in the SAS as a Troop and Squadron Commander, but also in the Parachute Battalion and as United Nations military observer in the Middle East (Israel).

During his service with the SAS, Bob was directly involved in all aspects of Australia’s Special Forces – National Counter-Terrorism Crisis Management and Response Arrangements. Bob was the Squadron Commander of the SAS unit involved in the tragic Blackhawk accident in 1996.

Past roles include co-founder and the Managing Partner of Osprey International and CEO of Rugby WA.

Bob has a Master of Business Administration (Advanced) a Bachelor of Arts (Military Studies) – Sword of Honour prize and five other graduate and post-graduate qualifications in addition to Squadron Commander, Counter Terrorism (SASR); UN Military Observer (Middle East); Army Officer, LT & Captain (SASR).

▷ +61 8 6377 7606 ⋮ ▷ bob@marvincg.com

Sonya Demourtzidis


Sonya Demourtzidis

Sonya Demourtzidis graduated with a double Bachelor degree in Secondary Education and Sports Science. She has gained experience working in a managerial position within the sporting industry as well as leading the marketing and advertising for the company. She has more recently worked in the energy sector gaining further experience in digital marketing and social media. She runs and hosts a micro catering business and has written and self-published two children’s books.

▷ +61 8 6377 7612 ⋮ ▷ sonya@marvincg.com

Pauline Barreaud

Intern Part-time

Pauline Barreaud

Pauline is a student in the first year of her Bachelor in Business Administration at ESSEC Business School, France. Through her studies, she is mainly focusing on developing analytical, organisational and communication skills.

In order to validate her first year, Pauline took the opportunity to become an intern at Marvin Consulting as she shares the key values and the goals of the company.

▷ +61 8 6377 7608 ⋮ ▷ pauline@marvincg.com

Proudly Supporting Compassion

Peter Hymus

Chartered Accountant

Peter Hymus

Peter has 30 years’ experience in Public Practice working within boutique tax advisory firms through to multinational corporations. 
Peter’s focus has traditionally been on businesses within the SME sector with a genuine passion for assisting these through the various stages of the business life cycle from start up to succession planning. Emphasis is placed upon adopting the correct business structure, ensuring assets are protected and risk factors managed, tax minimisation, cashflow management and wealth extraction. In addition to these CFO services, Peter is also able to offer a range of compliance services including ATO lodgements (income tax, GST and FBT), ATO debt management, tax planning and assisting in the establishment of Corporate structures and Trusts.
As a Chartered Accountant, Peter is a member of the Chartered Accountants ANZ. Peter is a Registered Tax Agent and also holds memberships with CPA Australia, Taxation Institute of Australia, Australian Institute of Company Directors and the CEO Institute.

▷ +61 8 6377 7609 ⋮ ▷ peter@marvincg.com

Nick Marvin


Nick MarvinNick Marvin is a management consultant, speaker and author.
Over the last 20 years, he has worked closely with two of Western Australia’s most successful entrepreneurs – Jack Bendat and Andrew Forrest – as well as organisations in the public, private and non-for-profit sectors.

Previous roles: Chairman, National Basketball League; Managing Director, Perth Wildcats, Perth Lynx; CEO, World Series Rugby, Western Force.

He is president of the Australian Institute of Management Consultants – WA, a Fellow of The Australian Institute of Management, a Certified Management Consultant and has an MBA from RMIT University.

▷ +61 8 6377 7606 ⋮ ▷ nick@marvincg.com ⋮ ▷ Read More…


Some of the organisations we’ve worked with…

What our clients say about us…

Mining & Mining Services


Mergers & Acquisitions


Medical & Health


Faith-Based Organisations


Non-Profit Organisations & Government




Franchise Groups




Professional Services


Mergers & Acquisitions