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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 national Assurance team 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.

Rory O'Connor


Rory is the co-founder of OCM and leads the delivery of probity services to 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.

Andrew Marsden


Andrew is the co-founder of OCM and leads OCM’s Probity practice 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.

Wayne Gorrie


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

Nick Iorfino


Nick leads the national Workplace Conduct & Risk team delivering a range of services including investigation, WHS, training and mediation. Prior to joining OCM, Nick was a Senior Police officer for many years before moving into the area of consulting.

Sarah Mullins


Sarah is a Probity specialist and is OCM’s National Local Government Industry lead. Prior to joining OCM, Sarah worked with a “big four” accounting firm and the Independent Commission Against Corruption.

Rebecca Smyth


Rebecca leads the ACT Assurance practice and OCM’s Water & Environment Industry Group. Prior to joining OCM, Rebecca was Managing Partner of Vista Advisory and also worked in the National Water Commission & Sydney Water.