John Dietz is the Chief Executive Officer of Paxauris, a medical device and technology company headquartered in Phoenix, Arizona, specialising in advanced hearing protection solutions. Paxauris develops patented inflatable earplug technologies designed for industrial, defence, and safety applications. John has significant executive leadership experience across government, property, infrastructure, and technology. Prior to joining Paxauris, he served as Chief Executive Officer of the Suburban Land Agency, leading the organisation through major transformation in governance, culture, and operational delivery in a high-profile public environment. His earlier career includes senior executive roles at Defence Housing Australia, where he oversaw national land acquisition, development and construction programs, and at Thales Australia, delivering major, complex technology programs. John began his career in software engineering and has maintained a strong focus on innovation and organisational performance. John holds degrees in Science and Economics from the Australian National University, along with postgraduate qualifications in applied finance and project management. He brings strong capability in strategy, governance, transformation, and largescale program delivery.