Meet Our Leaders

Say hello to our Executive Leadership Team.

At the heart of Shamrock Civil is a leadership team built on integrity and industry knowledge. With expertise spanning decades, our executives provide the steady guidance necessary to navigate the evolving construction landscape. Their hands-on leadership style has been the cornerstone of our business, ensuring that as we grow, we remain dedicated to quality, innovation, and the success of our people.

Andrew Kerr

Executive Manager

Andrew Kerr is an Executive Manager of Shamrock Civil and an accomplished construction leader with extensive experience delivering large, complex civil infrastructure projects across Australia. With a strong background in construction management, Andrew has built his career on successfully leading multidisciplinary teams through technically demanding projects in challenging environments.
As CEO, Andrew is responsible for the overall strategic direction, operational performance and sustained growth of the business. He provides leadership across all facets of Shamrock Civil, from long-term strategic planning and business development through to project delivery and client relationship management. His hands-on leadership style ensures alignment between corporate objectives and on-the-ground execution.
Andrew works closely with project teams, clients and key stakeholders to foster a culture built on safety, accountability and performance excellence. He is deeply committed to maintaining the highest standards of health, safety and environmental management, while consistently exceeding client expectations in quality, cost control and program delivery.
Under Andrew’s leadership, Shamrock Civil continues to strengthen its reputation for reliability, innovation and collaborative project delivery across the civil construction and resources sectors. His focus on building strong partnerships, empowering people and driving operational excellence ensures the company remains agile, competitive and positioned for long-term success.

Leslie Zeeman

Executive Manager

Leslie Zeeman is a civil engineer with extensive specialist experience in consulting and contracting.
Before joining Shamrock Civil Engineering in 2005, Leslie commenced his career in the consulting industry with a South Africa consulting group who ultimately merged with an Australian consulting company, O’Connell Wagner, forming the Aurecon group. Leslie was with Aurecon for six years before starting a construction arm for a plant hire company. Two years later he moved on to become a co-founder of a South African consulting firm, where he served as a director until he moved to Australia in 2001.
His experience led to him building skills in all areas of civil engineering including design, contract documentation, management, finance and industry relationships at all levels. He has a keen eye for technical detail, overseeing design proposals where required to ensure that industry standards are met. Hand in hand with his wealth of consulting and construction experience, Leslie has been involved and managed contracts from inception to completion at the highest levels.
Leslie is a collaborative leader with exceptional and diverse business experience. His focus is now to manage Shamrock’s asset portfolio including properties, earthmoving equipment and vehicles in addition to overseeing Finance and Human Resources. Leslie believes the key to achieve success in all spheres of life, is to maintain good relationships with a collective approach focusing on integrity and comradery.

Brendan Kealy

Executive Manager

Brendan Kealy played a pivotal role in the establishment and growth of Shamrock Civil, successfully leading the company as Chief Executive Officer from its foundation in 1994 through to 2006. Under his leadership, the business built a strong reputation for delivering complex civil construction projects across regional and remote Australia, laying the foundations for the company’s long-term success.
Today, Brendan remains a highly active and hands-on Director, bringing decades of construction expertise and strategic insight to the organisation. He is heavily focused on international acquisition opportunities, strategic business development and the implementation of long-term growth initiatives across Shamrock Civil’s operations. His forward-thinking approach continues to drive expansion into new markets while strengthening the company’s existing footprint.
Brendan is known for his practical leadership style and solution-focused mindset. A natural problem solver with a strong track record of achievement, he thrives on complex challenges and identifying opportunities where others see obstacles. His leadership has been instrumental in developing Shamrock Civil’s operational capability and expanding its project portfolio across Papua New Guinea, North Queensland, South Australia and the Northern Territory.
Through his strategic vision, industry relationships and deep technical knowledge, Brendan continues to shape the company’s direction, ensuring Shamrock Civil remains adaptable, competitive and positioned for sustained growth in both domestic and international markets.

Sean Keane

Executive General Manager

Sean Keane joined Shamrock Civil in 2007 as a Project Manager and subsequently held senior contract management roles before serving a decade as the company’s Commercial Manager. In 2026, he was appointed Executive General Manager. His career reflects a consistent focus on commercial governance, operational performance, and long-term enterprise value creation.
With over twenty years’ experience spanning the resource, Defence, government, and commercial infrastructure sectors, Sean brings deep expertise in commercial strategy, contract management, risk management, project and enterprise financial governance, and board-level reporting.
As Chief Operating Officer, Sean is responsible for operational strategy, project performance, and enterprise risk management. He works closely with the executive team and the Board to drive growth and organisational capability, ensuring the business is positioned for sustainable long-term success.
Sean holds an BSc (Hons) in Quantity Surveying and is both a Chartered Quantity Surveyor and Chartered Construction Manager. He maintains Chartered status with the Royal Institution of Chartered Surveyors (MRICS), the Chartered Institute of Building (MCIOB), and the Australian Institute of Quantity Surveyors (MAIQS), (CQS).

James Moore

General Manager of Finance

James Moore brings over 20 years of high-level financial and IT expertise to his role as General Manager of Finance for Shamrock Civil. Having spent three years as CFO for Shamrock Equipment and Shamrock Site Services, James recently expanded his leadership to oversee the financial health and strategic direction of Shamrock Civil.
With a career grounded in the mining sector, including a significant tenure as Accounts Manager at Hancock Coal Pty Ltd; James is a specialist in scaling operations. He has been instrumental in developing robust systems that support rapid business growth, ensuring that Shamrock’s infrastructure evolves alongside its ambitions. As CFO, James focuses on refining financial forecasting, optimizing budgets, and streamlining internal processes to drive long-term value.

Lachlan McGregor

Commercial and Pre Contracts Manager

Lachlan serves as Commercial and Pre-Contracts Manager for Shamrock Civil, holding national responsibility for the company’s commercial strategy and pre-contracts operations. A qualified engineer with experience spanning engineering and project management roles, he brings a comprehensive understanding of civil construction delivery and the commercial frameworks that underpin it.
With a strong ability to translate technical complexity into clear commercial outcomes, Lachlan leads procurement, contract negotiation and risk assessment processes from tender development through to project completion. His disciplined approach to risk management, cost control and contractual governance ensures projects are positioned for strong financial performance from inception.
Recognised for his analytical capability and pragmatic decision-making, Lachlan combines commercial acumen with practical problem-solving to deliver balanced, outcome-focused solutions. His leadership plays a critical role in safeguarding commercial performance while supporting sustainable project delivery across Shamrock Civil’s national portfolio.

Michael Maddocks

Head of HR/IR & Marketing

Michael is a highly experienced HR professional with extensive expertise across Australia and internationally, predominantly within the Construction and Mining sectors. He holds tertiary qualifications from Australian universities in Human Resources, Training and Development, and Occupational Health and Safety Management.
Earlier in his career, Michael served as General Manager – Human Resources for ABB Engineering and Construction in Sydney (1993–1997), where he supported major projects across Australia and Asia. In 2013, he returned to Indonesia to work with Leighton Contractors Asia, leading Training and Recruitment initiatives across the region.
Prior to joining Shamrock Civil, Michael was based in Singapore with Brightstar, a Softbank Japan subsidiary, where he held the role of HR & Shared Services Director – APAC from 2015 to 2020. In this capacity, he oversaw HR operations across nine countries and successfully established the HR Shared Services function in Malaysia, driving operational efficiency and regional alignment.
Michael’s HR philosophy is simple: empower people at all levels to fulfil their potential while proactively managing organisational risk. He is committed to ensuring Shamrock Civil operates in full compliance with legislative requirements and in alignment with the company’s core values.

Bertie Jones

National Resources & Operations Manager (SEQ)

Bertie Jones brings more than 20 years of experience with Shamrock Civil Engineering, delivering major civil infrastructure and resource sector projects across Queensland and nationally. Throughout his career, he has built a strong reputation for fostering trusted client relationships and delivering practical, outcome-focused solutions that align operational performance with both client and business objectives.
Holding a degree in Construction Management, Bertie has progressed through a range of senior leadership roles including Senior Supervisor, Construction Manager, Operations Manager, and now National Resources Manager. This breadth of experience provides him with a deep understanding of project delivery from both operational and commercial perspectives.
In his current role as National Resources & Operations Manager (SEQ), Bertie provides strategic leadership across operations and business development. He works closely with clients, project teams and industry partners to identify opportunities, manage risk and drive the successful delivery of complex projects. His strong commercial acumen, combined with extensive technical construction expertise, ensures projects are delivered efficiently, safely and to the highest quality standards.
Bertie is recognised for his hands-on leadership style, unwavering commitment to safety and quality, and his ability to bring teams and stakeholders together to achieve positive, sustainable outcomes for clients and the business alike.

Nick Sandwell

National Defence Manager

Nick Sandwell joined Shamrock Civil in 2006 as an undergraduate engineer and has progressed through the organisation to now serve as National Defence Manager and Operations Manager – Central Queensland. His career journey reflects both his technical capability and his strong leadership within the business.
Nick plays a pivotal role in leading Shamrock Civil’s Defence portfolio, overseeing the successful delivery of major Defence infrastructure projects while fostering long-term, trusted relationships with key clients and stakeholders. His in-depth understanding of Defence environments, compliance requirements and operational complexities enables him to deliver projects that consistently meet stringent standards.
In addition to his Defence responsibilities, Nick provides operational leadership across Central Queensland, supporting project teams to achieve safe, efficient and high-quality outcomes. Through his commitment to collaboration, cost control and performance optimisation, he has strengthened client and contractor relationships, contributed to repeat business opportunities, and driven measurable efficiencies across projects.
Nick’s growth within Shamrock Civil is a testament to his dedication, commercial acumen and ability to lead teams in delivering complex civil works in demanding environments.

Tom Dunne

Operations Manager, SA

Shamrock Civil’s regional portfolio. Tom’s journey with the company began six years ago as a Project Manager, where his hands-on approach to complex civil infrastructure quickly marked him as a leader.
His transition from project delivery to statewide operations management reflects his deep understanding of Shamrock’s core values: safety, precision, and client satisfaction. Today, Tom leverages his six years of "boots-on-the-ground" experience to lead our South Australian teams, ensuring that every project, from initial mobilisation to final completion; meets the highest standards of operational excellence.

Oliver Parlon

Operations Manager, NQ

Oliver Parlon joined Shamrock Civil in 2013 and has progressed through a range of operational leadership roles, demonstrating strong performance across Defence, industrial and civil infrastructure projects throughout North Queensland.
Beginning his career with Shamrock as a Site Supervisor, Oliver advanced to Site Manager and Construction Manager, consistently delivering complex works in high-compliance and operational environments. In 2024, he was appointed Operations Manager, where he now leads regional operations, overseeing project performance, team leadership and client relationships across North Queensland.
Oliver is recognised for his practical leadership style, strong stakeholder engagement and commitment to safe, efficient and high-quality project delivery. His progression within the business reflects his dedication, technical capability and ability to drive operational excellence across diverse project portfolios.

Chan Chong

Operations Manager, NT (Acting)

Errol Wong

Chief Estimator

Mick Campbell

HSEQT Manager

Mick leads Shamrock Civil’s HSEQT function nationally, providing strategic oversight across Health, Safety, Environment, Quality and Training throughout Australia. With a career in the construction industry spanning more than three decades, Mick brings extensive practical experience and a deep understanding of the operational environments in which our teams work.
He is a strong advocate for building and sustaining a positive workplace culture, with a particular passion for mental health awareness and psychological safety within the industry. Mick actively contributes to several industry groups and initiatives, championing best practice standards and continuous improvement across the sector.
Under Mick’s leadership, the HSEQT team is firmly aligned with Shamrock Civil’s “Safety for Life” philosophy — a commitment that extends beyond compliance to genuinely caring for the wellbeing of every employee, subcontractor and stakeholder. His proactive, people-focused approach ensures that safety, environmental responsibility and quality outcomes remain at the forefront of every project.
Mick’s leadership continues to play a critical role in maintaining safe, high-performing and environmentally responsible workplaces, reinforcing a culture that underpins Shamrock Civil’s ongoing success.

Manfred Até

Chief Information Technology Officer

Keith McNutt

Survey Manager

Bow Wibowo

Scheduling & Resource Planning Manager

John Delaney

Plant Manager (Shamrock Equipment & Shamrock Site Services)

John joined Shamrock Civil Engineering in 2010 and has played a pivotal role in shaping and developing the company’s plant division into the structured, high-performing function it is today. Recognising early the scale and strategic importance of the plant portfolio, John identified the need for dedicated leadership when the plant and safety functions were separated, a decision that laid the groundwork for the robust plant management model now embedded across the business.
In 2019, following the establishment of Shamrock Equipment as a standalone entity, John transitioned into the role of Plant Manager within the new structure. Since then, he has led the strategic direction of fleet management across the group, overseeing procurement, asset performance, capital investment and long-term fleet planning.
Holding a Bachelor of Engineering (Honours) in Mechanical Engineering, John combines strong technical expertise with practical, hands-on operational experience. He is responsible for fleet procurement, utilisation optimisation, compliance, maintenance strategy and lifecycle cost management, ensuring plant assets are aligned with project requirements while maintaining reliability, safety and cost efficiency.
Working closely with operations teams and senior leadership, John ensures disciplined plant management underpins project delivery outcomes. His strategic oversight and forward planning continue to strengthen Shamrock’s operational capability and asset performance across diverse and demanding project environments.

Shane Osborne

Workshop Manager (Shamrock Equipment & Shamrock Site Services)

Shane began his career with Shamrock Civil in 2010, gaining unparalleled experience on various worksites across Australia, while also establishing himself as a respected leader. Originally employed as a diesel fitter, Shane quickly rose through the ranks and eventually spent a number of months overseeing a major civil construction project in PNG. Currently working as the maintenance supervisor for Shamrock Equipment, Shane is widely known for his machinery knowledge, tenacious work ethic, and team leadership.

Get in touch to learn more about our project management and construction

Contact Us