DIMA’s office bearers

Monica King


Monica King serves as President of the Diagnostic Imaging and Monitoring Association (DIMA).

Monica is the Managing Director of Canon Medical Systems ANZ Pty Limited, responsible for strategic execution, growth and performance of Canon Medical’s imaging and healthcare solution business in Australia and New Zealand. Monica’s career has spanned the fields of Accounting, Finance, Operations, Logistics, Supply Chain and General Management, in roles including Management and Financial Accountant, State Manager, NZ Country Manager, National Commercial Manager and General Manager.

A member of Canon Medical’s Executive team since 2012, Monica is passionate about facilitating people, process and technology connections that create value and enabling positive contributions to the healthcare industry for the benefit of providers and patients.

Monica holds formal qualifications of Bachelor of Business (Accounting), Certified Practicing Accountant (CPA) and Master of Business Administration.

Matt Tucker


Matt Tucker is the President and CEO for GE Healthcare in Australia, New Zealand and PNG. Matt joined GE Healthcare as General Manager for Ultrasound, a position he held from September 2012 through to April 2016. Matt has been an Executive Director of GE Healthcare Australia Pty Ltd since June 2015. Matt also sits on the executive leadership team of General Electric for A&NZ and PNG.

Matt has been an executive in Healthcare capital equipment within A&NZ and Asia, delivering strong growth, leveraging his earlier commercial and clinical career, in Diagnostic Imaging and Ultrasound.

Matt has been awarded an Adjunct Fellow to the School of Medicine at Western Sydney University. Matt serves as an executive Committee member (Secretary) of the Diagnostic Imaging and Monitoring Association and is a Member of the Australian Institute of Company Directors (MAICD).

Nick Mascoulis


Mr Mascoulis has significant senior management experience, starting his career as a Professional Service Engineer in Victoria with over 42 years’ experience in the Medical Imaging Field with Shimadzu Medical Systems. In 1998 he held the role of Southern Region Operations Manager and was appointed General Manager in 2010, subsequently he was appointed to the Board of Directors of Shimadzu Medical Systems (Australia) to the present day.

Robert Petersen


Robert Petersen is the Ultrasound Business Unit Manager in Australia and New Zealand. Since joining Philips in 2019 Robert has been part of the Australia and New Zealand Health systems Management team and part of the regional APAC Ultrasound leadership team.

Robert has been emersed in the Healthcare industry working in many leadership roles for over 20 years starting at Pfizer Pharmaceuticals, BARD Medical Devices and Toshiba / Canon. These experiences have developed a broad understanding the Healthcare community.

Robert serves as an executive Committee member (Vice President) of the Diagnostic Imaging and Monitoring Association.