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Our leaders

Our leadership team come from a diverse range of backgrounds including ‘big four’ professional firms, private sector and government. Our strength is working with like -minded clients delivering work that aligns with our values and sets new standards.

Pamela Robertson-Gregg

National Managing Partner

Pamela leads OCM’s practice nationally, as well as the the national assurance team, and alliance offering delivering a range of services to both the public and private sector. Prior to joining OCM, Pamela was a partner in a “big four” firm based in Sydney.

Andrew Marsden

Partner

Andrew is the co-founder of OCM and leads OCM’s procurement and probity practices nationally delivering pragmatic solutions on all types of transactions. Prior to establishing OCM, Andrew worked with the Independent Commission Against Corruption and spent many years in various areas of youth criminology.

Cathy Blunt

Partner

Cathy is an assurance and risk specialist. Prior to joining OCM, Cathy worked in a “big four” firm, managed the internal audit function at Griffith University, and she has deep experience advising clients across Federal and State Government agencies. Alongside her broad ranging assurance and risk management focus, Cathy is also OCM’s national education industry lead.

Jonathan Cherian

Partner

Jonathan is a trusted leader in strategy, transformation and innovation with extensive experience spanning the public, private and not-for-profit sectors. He brings expertise in leading diverse projects, including strategy formulation, change delivery, technology advisory, data analytics and program delivery. Jonathan leads ZED Management Consulting which is now part of the OCM Group. Prior to this Jonathan worked in an in-house strategy role for a national retailer and in a “big four” accounting firm.

Judy Malpas

Partner

Judy is an assurance and risk specialist delivering a range of services to the public and private sector. Prior to joining OCM, Judy was a director in a “big four” firm based in Sydney. She is admired for her proactive and hands-on leadership approach both with clients and her team.

Matt McInnes

Partner

Matt is a trusted leader in strategy, leadership and organisational design with extensive experience spanning public, private and not-for-profit sectors, particularly within the health and human services sector across Australia. He is known for his innovative thinking and creative problem-solving skills both with clients and his team. Matt is an Executive Director of ZED Management Consulting which is now part of the OCM Group. Prior to this Matt was senior health executive in SA government.

Nick Iorfino

Partner

Nick leads the national workplace conduct and risk team delivering a range of services including investigation, work, health and safety, training, and mediation. Prior to joining OCM, Nick was a senior police officer for many years before transitioning to consulting.

Pam Zervas

Partner

Pam is a trusted leader in strategy, transformation and organisational design with extensive experience spanning public, private and not-for-profit sectors, particularly within the health and human services sector across Australia. She brings expertise in leading diverse projects, including strategy formulation, change design and delivery, digital health strategy and strategic communications. Pam is a Director of ZED Management Consulting which is now part of the OCM Group. Prior to this Pam was a senior executive leader in a “big four” accounting firm.

Paul Gasiorowski

Partner

Paul specialises in providing probity services, offering practical solutions to a diverse range of clients, including Commonwealth and State government agencies. Throughout his career, he has demonstrated proficiency in various market processes and methodologies spanning multiple industry sectors.

Rory O’Connor

Partner

Rory is the co-founder of OCM and leads the delivery of probity services to State Governments in Queensland, South Australia and Victoria delivering many high-profile complex probity engagements. Prior to establishing OCM, Rory was a partner and board member of a “big four” professional services firm.

Samuel King

Partner

Samuel is a procurement and supply chain specialist. He is a trusted leader adept at navigating supply chain dynamics across diverse sectors, with extensive expertise in strategic planning, negotiations, contract management and risk mitigation. Prior to joining OCM, Samuel was a director and co-owner at Ansuz, at a boutique consultancy practice.

Sarah Mullins

Partner

Sarah is a probity and grants management specialist and is OCM’s national local government industry lead. Prior to joining OCM, Sarah worked with a “big four” accounting firm and for the Independent Commission Against Corruption.

Wayne Gorrie

Partner

Wayne leads the Queensland assurance practice. Prior to joining OCM, Wayne worked with several listed companies and professional services firms.

Acknowledgement of Country

OCM respectfully acknowledges the Traditional Owners and Custodians of the lands across Australia and recognises their continuing connection to land, waters and community. We pay our respects to their Elders past and present.