Petar Bielovich
Petar Bielovich
General Manager

Petar has an impressive history in consulting and leadership positions and heads up Mentum Systems. Petar has over 20 years’ experience in Professional Services during which he has led the integration of ideas, people, strategies, processes and technology. Working for PwC, IBM, Acularo and now Mentum Systems, he has worked across the industries of Defence and National Security, industrial products, consumer products, banking, professional services and Government, in South Africa, the USA and Australia.

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George Rooks
Chief Operating Officer

George, as Chief Operating Officer, is focused on managing our ongoing business operations and as well as supporting clients across National Security, Justice & Care and Defence Sectors. After nearly 25 years in Defence, George has developed extensive experience in the Australian and New Zealand Corrective Services market where he previously held the role of COO/Director Care and Justice for G4S across in Australian and New Zealand. George was an officer in the New Zealand Defence Force, including serving as a Military Attaché in Canberra. As a practising Project Director, George brings a wealth of consulting, leadership, and program management skills to the team.

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Brett Cadwallader
Director Client Delivery

Brett, as Director Client Delivery provides the leadership and management across all aspects of our Client project and service delivery. Brett joined Mentum Systems after an extensive career in the Commonwealth Government, the last 7 years concerned in the improvement and delivery of national policing systems to all States and Territory’s, and held Director roles in both ICT Delivery and as Director Program Management Office. Previous to this Brett spent over 20 years in the Commonwealth Scientific Industrial Research Organisation (CSIRO) starting in the field of electronics and then IT System Administration, IT Management, Consulting, Client Engagement, Project Management and spent the last portion of his time within CSIRO as Executive Manager Client and Infrastructure Services Nationally.

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“The real big benefit Mentum Systems brings to the table is being able to articulate the way the business works in a really straightforward way that I’ve never seen anybody else be able to do.“

AIRCDRE (Retd), Royal Australian Air Force, former Director General Strategy & Planning – AF

“IMMS is used to present a shared and dynamic view of risk to Navy and our own business units. IMMS captures key data and provides visibility of sustained risk reduction activity relating to achieving capability outcomes.“

Rear Admiral Adam Grunsell, Head of Maritime Systems, CASG