Sitzler plays a pivotal role as a delivery partner for the defence and space industries and the Commonwealth government, undertaking major projects across all defence bases in the Northern Territory, South Australia and Western Australia.
Scott serves as the Lead for Sitzler’s Northern regions, overseeing all construction projects across the area. With more than 30 years of industry experience, Scott has consistently delivered outstanding results for both government and private sector clients, including significant collaborations with the Department of Defence.
Renowned for his ability to tackle complex design and buildability challenges, Scott develops innovative and practical solutions that ensure projects are completed on time and to the highest quality standards. His expertise in managing tight schedules, coupled with his commitment to excellence, makes him a trusted leader in delivering critical infrastructure.
Scott’s collaborative and transparent leadership style fosters strong relationships with stakeholders, ensuring open communication and teamwork throughout the project lifecycle. His advanced programming skills and ability to adapt to evolving challenges have been instrumental in driving successful outcomes across a diverse portfolio of projects.
Peter Chater, Construction Lead
Peter is a seasoned professional with over 40 years of experience in the construction industry, specializing in the procurement, management, and delivery of major projects. He holds a Bachelor of Building and has spent 21 years in senior roles across Australia and the Middle East, successfully managing high-value projects and leading multi-disciplinary bid teams.
As Construction Lead, Peter oversees all construction projects in the southern region, ensuring they are executed to the highest standards. He is widely recognised for his strong leadership qualities, fostering a culture of collaboration, accountability, and excellence within his teams. Peter’s ability to inspire and guide others has been pivotal in achieving outstanding project outcomes.
Peter is deeply committed to the success of the business, consistently driving innovation, efficiency, and value across all operations. Known for his exceptional communication skills, he engages effectively with stakeholders at all levels, from government authorities to on-site teams. His dedication to delivering results and his strategic vision continue to strengthen the organization’s reputation for excellence in the construction industry.
Kim Storey, Compliance Manager
Kim is an accomplished Compliance Lead with over 25 years of experience in the construction industry. she has played a pivotal role in managing Workplace Health and Safety (WHS), Environmental Management, and Quality Assurance across the business and a wide range of commercial, civil, and infrastructure projects.
Kim is deeply committed to fostering a culture of accountability, collaboration, and innovation. Her leadership approach empowers teams to prioritise safety, sustainability, and quality in every aspect of their work. She works closely with stakeholders to align business objectives with compliance standards, ensuring exceptional project outcomes while maintaining the trust of clients and communities.
Her leadership ensures that the business adheres to the highest standards, safeguarding people, communities, and clients while delivering exceptional results. Kim’s qualifications in Environmental Management and her designation as a Chartered OHS Practitioner (ChOSHP) further enhance her ability to implement sustainable and safe practices. Her dedication to continuous improvement and operational excellence reflects her strong commitment to upholding the highest standards for the business.
Kim’s passion for leadership and her unwavering focus on compliance make her an integral part of any organisation’s success, ensuring it remains a trusted and responsible industry leader.
Mick Trlin, Risk & Commercial Lead
Mick brings over 20 years of experience in the construction industry, leading high-performing teams across Australia and New Zealand. He holds an honours degree in Construction Management and a Graduate Diploma in Management, showcasing his strong expertise in both technical construction practices and strategic leadership.
As Risk and Commercial Lead at Sitzler, Mick plays a critical role in shaping the company’s operational success. He is responsible for establishing and maintaining collaborative, efficient, and cost-effective risk and commercial frameworks. His work ensures that Sitzler, along with its clients and stakeholders, achieves maximum value from every project.
Since joining Sitzler in 2023, Mick has focused on driving growth, scalability, and resilience within the organization. His strategic vision and dedication to fostering strong partnerships have been instrumental in creating pathways for sustainable success. Mick’s leadership continues to enhance Sitzler’s reputation as an industry leader, delivering exceptional outcomes for all stakeholders.
Jason Miezio, Defence Sector Lead
Jason brings over 35 years of experience in working in Defence facilities and infrastructure within Australia and abroad. With a background spanning military service including operational deployments, tier one design management and construction delivery. His expertise lies in delivery of major infrastructure projects from strategy planning, design through to delivery.
As the Defence Sector Lead, Jason is responsible for oversight of Sitzler’s Defence portfolio and more broadly key government client engagement.
Jason is a Certified Practicing Engineer (CPEng) and holds a Master of Engineering Science and Global Executive MBA (Defence and Space).
Michael Zampa, IBE Operations Manager
Michael oversees Sitzler’s strategic engagement with Indigenous Business Enterprises, driving initiatives that increase Indigenous employment opportunities and foster meaningful partnerships within the Indigenous business supply chain across all operations.
With an Bachelor of Construction Management (Honours) degree and over 20 years of experience in the Northern Territory construction industry, Michael is a seasoned professional in end-to-end project delivery. His expertise spans contract management, resource allocation, and client relations, ensuring projects are delivered efficiently and to the highest standards.
Michael is deeply committed to working with Indigenous partners to create lasting social and economic benefits. His extensive experience in delivering projects in remote regions of the Northern Territory has allowed him to build trust and strong relationships with Indigenous communities. By collaborating closely with these communities, Michael ensures that Sitzler’s projects not only meet operational goals but also contribute to community development, skills training, and economic empowerment.
Jo Norton, People & Performance Lead
Jo Norton joined Sitzler in September 2024 as the People and Performance Lead. She brings nearly 20 years of senior executive experience across the public and private sectors, including utilities, public health, and retail. Jo holds a Master of Business Administration (MBA) and has a proven track record in leading human resources, industrial relations, and strategy and reform functions.
Passionate about fostering positive workplace culture, Jo specialises in capability building, leadership development, and driving large-scale transformation initiatives. Having called the Northern Territory home for almost 30 years, Jo is deeply connected to the region. Outside of work, she enjoys spending time with family and friends, as well as cooking, cycling, and camping.
Rod Jeffrey, Civil Lead
Rod brings over 40 years of distinguished experience in civil infrastructure, with a career marked by the successful delivery of high-profile projects across Australia and internationally. He holds a Bachelor of Business, a Bachelor of Engineering, and a Master of Business Administration, showcasing his strong foundation in both technical and commercial disciplines.
Over the past 15+ years, Rod has managed major infrastructure projects throughout Australia, demonstrating exceptional leadership and expertise in delivering complex initiatives. His experience spans a diverse range of sectors, including roads, ports, rail, airports, and sustainable energy projects.
Since joining Sitzler in 2023, Rod has been leveraging his commercial and engineering knowledge to guide large-scale projects from the initial bid phases through to successful completion. His strategic vision, technical acumen, and commitment to excellence ensure that every project he oversees delivers outstanding outcomes for clients and stakeholders.
Adrian Hermens, Chief Financial Officer
Adrian Hermens brings +25 years of experience in the engineering, construction including facilities and asset management with a background spanning financial reporting, strategic planning, M&A, restructuring, commercial negotiations, governance and business law.
In his role as Chief Financial Officer, he is responsible for strategic leadership, finance and administration, information technology as well plant & logistics. Adrian has held executive and senior finance positions in various ASX and UK listed companies across the engineering, construction, gaming, FMCG and retail sectors. He is a Fellow CPAÂ and holds Master degrees in Business Law (Syd) and Applied Finance (Macq), as well as a degree in Economics (Macq).
Adrian is committed to driving governance, strategic growth, financial discipline and innovation through data led decision making.
Michael Sitzler, Director
Michael was appointed Director of Sitzler in 1991. He brings significant directorship experience to the company and has a strong focus on property management and development as well as environmental, commercial and retail management. Michael has led the strategy for the sustainable growth of Sitzler’s construction interests.
Steve Margetic, Managing Director
Steve was appointed Managing Director in 1988. Under Steve’s leadership Sitzler has transitioned from a respected local Northern Territory company, to a trusted national construction specialist. Steve has driven a program of cultural and technical change to create a high level of trust and respect in Sitzler’s approach to managing design, delivery and project completion.
