Alliance is a highly respected geotechnical and environmental consultancy firm and geotechnical laboratory with a proven track-record in delivering and exceeding our client’s expectations.
Our professional team of geotechnical engineers, environmental scientists, engineering geologists and laboratory staff have a wealth of knowledge of ground conditions throughout Sydney and NSW. This gives us the ability to see the big picture, identify potential issues and provide practical solutions.
Operating since 2003, we have established our main office and testing laboratory in Seven Hills, in North-West Sydney, plus additional offices and labs in Wollongong and the Gold Coast.
years of experience
employees
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When you thrive, Alliance thrives
About our people, our work and our partners
We give the client what they actually need
Be more than just a name on an email signature
Embrace change, continuous learning and teach others. There is a better way to do it – find it!
We roll up our sleeves to support each other and we don’t walk past the small tasks
Salary sacrifice options
At all levels of our company
Each employee has a personalised development plan
Generous scheme in addition to the government scheme
A program to get active and mind fit
Salary package reviewed yearly
At Alliance, our commitment to Workplace Health, Safety, Quality and Environment (WHSQE) responsibility underpins everything we do. Accredited to ISO 9001, ISO 45001 and ISO 14001, we operate under internationally recognised standards that drive continuous improvement and accountability.
Our proactive, people-focused approach prioritises risk prevention, training and leadership to build a culture where safety is everyone’s responsibility. We follow safe work procedures across sites, fieldwork, offices and laboratories, continually identifying and managing risks.
Quality and consistency define our service delivery, with regular audits, performance monitoring and team engagement supporting continual improvement. Environmental stewardship is equally integral, we aim to reduce our footprint, promote sustainable practices and ensure compliance with environmental legislation.
Alliance has some of the best scientists and engineers in the industry to provide practical solutions and deliver exceptional service. Here are just a few of our key members of the team.
| Aidan is a thoughtful and strategic leader who oversees the operations of Alliance. With over 20 years of industry experience, he brings a steady hand and sharp business acumen to the company’s leadership team.
He built a strong foundation in environmental consultancy, giving him a deep understanding of the technical and regulatory landscape. Now focused on the business side of operations, Aidan plays a key role in shaping Alliance’s long term direction, driving commercial performance, and strengthening quality systems to support sustainable growth. He is a strong advocate for operational excellence and values driven growth. |
Tom is a creative and approachable leader who oversees the strategic direction and operations of Alliance. With over 15 years of industry experience, he brings energy, creativity, and a fresh perspective to the leadership team.
He built a strong foundation in geotechnical engineering before stepping into his current role.
Tom’s leadership style is collaborative and people-focused, and he’s passionate about building a workplace where ideas flow freely and individuals feel empowered to grow. His influence continues to shape Alliance’s culture and drive its momentum forward.
Jane is a meticulous and analytical finance professional who manages Alliance’s financial operations. With over 15 years of experience in financial reporting, budgeting, and compliance, she brings structure, insight, and a steady hand to the leadership team.
Her role focuses on financial planning, risk management, and ensuring the business remains financially sound and future ready. Jane plays a key role in supporting key decision-making and maintaining transparency across the company’s financial landscape.
With over 15 years of experience in environmental science and consultancy, Mez leads Alliance’s Environmental Group with a practical, hands on approach and a genuine passion for making a difference. He’s known for combining deep technical expertise with a collaborative leadership style that brings out the best in his team and builds strong client relationships. Mez has delivered successful outcomes across a wide range of projects, always aligning environmental standards with business goals.
Working alongside a skilled team of specialists in contaminated land, material classification, and hazardous materials, Mez helps clients navigate complex challenges with clarity and confidence. He’s committed to delivering timely, high-quality solutions that are both practical and tailored to each client’s needs, keeping their goals front and centre throughout every stage of the project.
Peter is the Geotechnical Group Manager. Peter strives to create innovative and sustainable solutions by combining his range of civil and geotechnical experience with an eager analytical ability and keen attention to detail. He is passionate about developing the team around him so that every project can be delivered better than the last.
Anna is a commercially focused and detail-oriented leader who oversees all aspects of contract administration and project commercial performance. With over 10 years’ experience in contract negotiation, contract administration, and project financial management.
She brings clarity, structure, and a practical approach to the leadership team. Her expertise ensures contracts are clear, fair, and aligned with client expectations, while supporting project teams and strengthening long-term client relationships. She plays a key role in guiding commercial decisions that support the company’s continued growth and success.
Arni is the Construction Materials Testing (CMT) Group Manager at Alliance, bringing over 15 years of experience in materials testing and leadership. He blends technical expertise with a people-focused, solutions-driven approach. Arni leads the CMT management team, including the Operations, Laboratory, Quality, and Specialist Testing Managers. Providing direction, support, and clarity to ensure consistent, high-quality outcomes for clients.
He oversees both the Seven Hills main laboratory and the Wollongong Base Laboratory, ensuring alignment in standards, performance, and service delivery across locations. Arni is passionate about developing people, building capability, and fostering high-performing teams. His focus is on empowering managers and staff with the structure and resources they need to succeed, reinforcing Alliance’s reputation for accuracy, reliability, and excellence in CMT practices.
Amanda is an approachable and people focused leader who leads People and Culture at Alliance. With over 15 years of experience in HR and team development, she brings empathy, structure, and a deep understanding of people dynamics to the leadership team.
Her focus is on building a positive and inclusive culture, supporting staff growth, and ensuring Alliance remains a great place to work. Amanda plays a key role in shaping internal engagement, refining people processes, and advocating The Alliance Way across the business.
Mara is a dynamic and detail oriented leader who supports the business operations of Alliance. With over 10 years of experience in business support and process improvement, she brings clarity, coordination, and a future focused mindset to the leadership team.
Her role spans systems, workflows, and cross-team collaboration, ensuring the business runs smoothly and efficiently. Mara is known for her ability to connect dots across departments and keep things moving forward.
She plays a key role in aligning operations with company goals and supporting continuous improvement across the business.
With over 15 years of experience in environmental science and consultancy, Mez leads Alliance’s Environmental Group with a practical, hands on approach and a genuine passion for making a difference. He’s known for combining deep technical expertise with a collaborative leadership style that brings out the best in his team and builds strong client relationships. Mez has delivered successful outcomes across a wide range of projects, always aligning environmental standards with business goals.
Working alongside a skilled team of specialists in contaminated land, material classification, and hazardous materials, Mez helps clients navigate complex challenges with clarity and confidence. He’s committed to delivering timely, high-quality solutions that are both practical and tailored to each client’s needs, keeping their goals front and centre throughout every stage of the project.
Craig has more than 25 years of experience and is the Technical Director for the Environment Division at Alliance. His extensive land contamination experience spans the property, infrastructure, manufacturing, petroleum, waste and residential sectors. Craig has worked on projects across Australia, with a particular focus on metropolitan and regional areas of NSW.
He is responsible for providing technical leadership to the team, fulfilling the role of project director, and advising clients on complex land contamination matters. Craig is also a Certified Environmental Practitioner – Site Contamination Specialist (CEnvP-SC).
Oliver is a Senior Environmental Consultant with over 15 years’ experience across Australia and the United States, specialising in Contaminated Land Management within private, industrial, transport, and infrastructure sectors. He draws on his broad expertise to assess land contamination risks and deliver practical, proportional solutions tailored to each project.
Oliver has led multidisciplinary teams of environmental consultants, engineers, and scientists on complex investigations, decommissioning, and remediation projects. He works closely with clients and stakeholders to provide strategic advice and ensure compliance with state and federal regulations. His experience includes the successful delivery of large-scale infrastructure projects, making him a trusted leader in the field.
Sam Willis is a Senior Project Scientist and CEnvP General with over 8 years’ experience in contaminated land and material management across the UK and Australia. He has led large scale site investigations and remediation works, with a strong focus on delivering practical and cost effective solutions. Sam is highly proficient in preparing and reviewing technical reports that meet both client expectations and regulatory standards.
He brings a solid understanding of industry guidance and environmental regulations in both regions, allowing him to navigate complex project requirements effectively. As a Team Leader, Sam supports junior staff and promotes high quality project delivery through collaboration, attention to detail, and a solutions focused approach.
Michael is a Senior Environmental Scientist with over 15 years’ experience in contaminated land consultancy and environmental science. He has coordinated material classifications and remediation programs for major infrastructure projects, including the Northwest Growth Centre (Stages 1, 2 & 3A), Southwest Growth Centre Package 1, and the Priority Sewerage Program (2010–2014).
Michael manages several of our larger clients and projects, helping to identify and mitigate potential delays in approvals and construction schedules. His practical approach and deep understanding of environmental regulations make him an asset in delivering successful project outcomes.
Jason is a skilled Environmental Consultant and Project Lead with over 6 years of experience in environmental science. He holds a Bachelor of Science in Environmental Earth Science and Environmental Management, and has led projects across the property, infrastructure, waste and residential sectors. His core strengths include project management of large infrastructure projects, site investigations, groundwater sampling and monitoring, and data analysis, with a strong focus on regulatory compliance and environmental standards.
Jason also manages environmental programs, quality assurance plans, and monitoring reports tailored to client needs. His consultative style, proactive approach, and technical expertise enable him to deliver practical solutions that align with project goals in a timely manner. Known for his reliability and leadership, Jason consistently translates complex environmental data into clear, actionable outcomes
Sam Scully is a Certified Environmental Practitioner (CEnvP) and Senior Project Scientist with over 9 years’ experience in the contaminated land sector. Sam is the Environmental Team Lead at the Wollongong office. Sam combines a strong academic foundation in Environmental Science with a focus on providing practical solutions to our clients.
His responsibilities include supporting junior staff, promoting high quality project delivery, client and subcontractor liaison, project management, and the preparation of fee proposals and tenders. Sam is highly experienced in contaminated land and groundwater investigations, remediation services, and the delivery of detailed technical reports. His leadership and practical approach ensure efficient, compliant, and high-quality outcomes for clients and stakeholders alike.
Thalia Park-Ross is a Senior Environmental Consultant with over 12 years’ experience in contaminated land assessment and environmental science. She has worked across a wide range of projects, managing client and subcontractor relationships, preparing fee proposals, and overseeing environmental investigations including water monitoring, soil vapour and ground gas analysis, and material classifications.
Thalia is highly skilled in project management and the preparation of detailed technical reports. Her practical approach and strong communication skills ensure smooth project delivery and effective stakeholder engagement. She plays a key role in identifying environmental risks and developing tailored solutions that meet both regulatory requirements and client needs.
Peter is the Geotechnical Group Manager. Peter strives to create innovative and sustainable solutions by combining his range of civil and geotechnical experience with an eager analytical ability and keen attention to detail. He is passionate about developing the team around him so that every project can be delivered better than the last.
David has over 25 years of experience in geotechnical consultancy across Australia. He has worked on major infrastructure and transport projects, as well as residential, commercial and industrial developments. His expertise spans investigation, design and construction support, with a strong focus on practical outcomes.
David is known for his technical proficiency, leadership, and commercial insight, which consistently contribute to successful project delivery. His positive attitude and collaborative approach make him a respected figure in the industry and a trusted advisor to clients and teams alike.
Lachlan brings over 25 years of geotechnical consulting experience, including nearly two decades running his own consultancy. He specialises in geotechnical investigations, construction phase services and foundation assessments. His expertise includes basement excavation support, ground anchors, working platform design and slope stability analysis.
Lachlan is known for delivering practical, tailored solutions and is a reliable source of advice for complex geotechnical challenges. His hands on approach and deep technical knowledge make him a valuable contributor to any project.
Shiv has over 25 years of experience in geotechnical engineering internationally, including more than a decade in Australia. He has worked with leading consultancies and construction firms on major transport infrastructure projects. Shiv’s expertise includes managing investigations, construction and contracts, and coordinating with clients and stakeholders.
His project portfolio includes work with RMS, AECOM, TfNSW and Skanska, both locally and internationally. Shiv is known for his technical leadership, flexible attitude and strong communication skills, making him a key asset in multidisciplinary teams.
Zubair is a Senior Geotechnical Engineer with over 10 years of experience in investigation, reporting and construction phase services. He specialises in excavation support, foundation design and earthworks advice. Zubair leads fieldwork operations and supports junior engineers, ensuring quality and consistency across projects.
His practical approach and technical expertise make him a dependable team leader. Zubair is committed to delivering reliable geotechnical solutions that meet project requirements and exceed client expectations.
Amir has over 18 years of experience across residential, commercial, industrial and infrastructure projects. His expertise includes site investigations, data interpretation, geotechnical modelling, design, reporting and construction phase support. Amir also prepares proposals and safety plans and leads multidisciplinary teams.
His broad experience across multiple states and sectors enables him to deliver practical, high quality solutions tailored to each project’s unique requirements. Amir is known for his leadership, technical insight and collaborative approach.
JP serves as an Engineering Geologist for Alliance and has over 4 years’ experience in his current field. His main role is undertaking geotechnical site investigations with significant experience for rail infrastructure across Sydney. He also provides construction phased support services such as bored pile inspections and detailed geological rock mapping. He assists with project management, logistics, and quotations as well as supporting the team with the use of GIS mapping and ensuring the quality control of digitised geotechnical borehole logs.
Guillermo has over 15 years of geotechnical experience and holds degrees in civil and geotechnical engineering. He has led projects across Australia and APAC, including a multi-country services agreement. Guillermo’s expertise includes foundation design, retaining structures, deep excavations and geotechnical risk assessments.
He is proficient in advanced design software and provides advisory services for complex infrastructure projects. Guillermo’s global perspective, technical depth and leadership skills make him a versatile and effective team leader.
Hadi has over 20 years of geotechnical experience in consulting roles across Australia and overseas. He has worked on large-scale projects involving feasibilityas studies, design, construction and operations. Hadi’s expertise includes foundations, retaining structures, tunnels, slope stability, earthworks, and soft soil treatment as well as 2D/3D numerical analysis. He has led multidisciplinary teams and collaborated across various design disciplines.
Hadi’s ability to manage complex projects and integrate geotechnical solutions into broader engineering frameworks makes him a key contributor to successful project outcomes.
Kah is an Associate Geotechnical Engineer with over 19 years of experience across road, rail, tunnel, residential and commercial projects. He combines advanced academic research in soil movement with practical design and problem-solving. Kah is known for his analytical skills, collaborative approach and ability to work effectively within multidisciplinary teams.
His experience spans both public and private sectors, and he consistently contributes to successful project delivery through thoughtful design and technical excellence.
Kevin has over 10 years of experience in geotechnical engineering, supported by dual degrees in civil engineering and commerce. He has worked on a wide range of infrastructure projects including roads, rail, water, airports and ports. As CPS Team Leader, Kevin leads the Construction Phase Services (CPS) team, manages client and subcontractor relationships, and oversees investigations and reporting.
His combined technical and commercial background enables him to deliver efficient, cost effective solutions while maintaining high standards of service and project delivery.
Arni is the Construction Materials Testing (CMT) Group Manager at Alliance, bringing over 15 years of experience in materials testing and leadership. He blends technical expertise with a people-focused, solutions-driven approach. Arni leads the CMT management team, including the Operations, Laboratory, Quality, and Specialist Testing Managers. Providing direction, support, and clarity to ensure consistent, high-quality outcomes for clients.
He oversees both the Seven Hills main laboratory and the Wollongong Base Laboratory, ensuring alignment in standards, performance, and service delivery across locations. Arni is passionate about developing people, building capability, and fostering high-performing teams. His focus is on empowering managers and staff with the structure and resources they need to succeed, reinforcing Alliance’s reputation for accuracy, reliability, and excellence in CMT practices.
Ian brings over 30 years of experience across the civil, geotechnical, environmental and mining industries, both in Australia and internationally. As Manager of Alliance Geotechnical’s specialty geomechanical testing division, Ian oversees client engagement, strategic development and innovation within the department. He is a long-standing NATA Technical Assessor in Geotechnical and Civil Construction Materials Testing, specialising in soil and rock mechanics since the mid-1990s.
Ian’s deep technical knowledge, leadership and commitment to quality have positioned him as a trusted expert in the field. His focus on continuous improvement and collaboration ensures the delivery of reliable, high-standard testing services across a wide range of projects.
Rasoul brings over 13 years of experience in geotechnics, geology, and quality assurance across civil, mining, dam, tunnel, and road projects. As Laboratory Quality Manager at Alliance Geotechnical, he oversees quality systems, audits, corrective actions, and proficiency testing to ensure compliance with technical and regulatory standards. He holds a Master’s in Engineering Geology and specialises in geotechnical lab testing, ISO/IEC 17025 compliance, and NATA accreditation.
Certified as a Radiation Safety Officer, Rasoul has undertaken comprehensive training in laboratory operations and advanced testing procedures. His strengths in data analysis, process improvement and technical oversight support Alliance’s commitment to accurate, reliable results. With a strong focus on accuracy and continuous improvement, Rasoul plays a vital role in maintaining and strengthening our quality system.
Matthew brings over 15 years of experience in construction materials testing, with a strong focus on complex infrastructure projects. He is highly regarded for his ability to provide on-site technical advice, particularly around specification conformance and quality assurance. His practical expertise and deep understanding of testing standards make him a trusted technical specialist, regularly sought after by some of Australia’s largest construction companies.
Matthew’s hands-on approach, attention to detail, and commitment to excellence ensure reliable outcomes across a wide range of earthworks and geotechnical testing environments. As Earthworks Technical Manager, he plays a key role in maintaining high standards and supporting client success through responsive, expert service.
David Ly is a seasoned Project Coordinator with over 12 years of experience in the CMT industry. He excels at delivering tailored solutions that align with project scope, timelines, and client expectations. Known for his strategic thinking and collaborative approach, David plays a key role in guiding teams through complex technical challenges. He is deeply committed to mentoring staff, offering constructive feedback and fostering the development of their technical skills and industry knowledge.
His leadership style promotes continuous improvement and team growth, ensuring high standards of quality and efficiency across all project phases. David’s expertise and dedication make him a trusted contributor to successful project outcomes and a respected figure within the industry
Brent Nolland is a Project Coordinator with over 8 years of experience in the industry, bringing a strong background in managing large scale projects, particularly within bulk fill level 1 supervision operations and Sydney Water initiatives. Known for his methodical approach and attention to detail, Brent ensures projects run smoothly from planning through to completion.
His experience in laboratory environments adds a valuable layer of technical insight, allowing him to navigate complex processes with confidence. Brent is a dependable team member who thrives in fast-paced settings, consistently delivering results while maintaining clear communication and coordination across stakeholders. His practical mindset and commitment to quality make him a trusted contributor to any project team.
Fouad is a Project Coordinator with over 5 years of experience in the construction materials testing (CMT) industry. Since joining Alliance Geotechnical, he has progressed from Junior Geotechnician to Field Technician and then to Project Coordinator—a testament to his hard work, attention to detail, and strong team-oriented mindset.
In his current role, Fouad works closely with clients, site teams, and engineers to ensure projects run smoothly from initiation through to completion. He is responsible for managing schedules, coordinating documentation, and overseeing logistics, all with a strong focus on efficiency and quality outcomes.
Fouad’s proactive approach and clear communication help maintain seamless project delivery. He is committed to supporting every stage of the process and consistently contributes to reliable, high-standard results for both internal teams and clients.
Josh has over 10 years of experience in the construction materials testing (CMT) industry, with a background spanning both the UK and Australia. Since joining Alliance, he has progressed from Field Technician to Project Coordinator and now Laboratory Manager, demonstrating a strong work ethic and a hands-on approach throughout his career.
In his current role, Josh thrives on keeping operations organised and moving forward. He’s skilled at managing timelines, coordinating resources, and ensuring clear communication across teams. His ability to anticipate challenges and implement practical solutions makes him a key asset to any project.
Josh is known for his ‘go-get’ attitude and commitment to helping others grow and succeed. Over the years, he has built a solid mix of technical expertise and practical problem-solving skills, consistently looking for ways to improve processes and deliver positive outcomes.
Dr. Zhang (Simon) Shi has over nine years of experience in geotechnical and rock mechanics specialized testing and currently serves as our Specialty Technical Lead. He is responsible for staff training, testing innovation, and technical development.
Dr. Shi holds a Ph.D. in Geotechnical Engineering and has a strong research and development background in unsaturated soil and rock mechanics, multiphase flow in porous media, and reservoir geomechanics. His contributions to the field include 15 published technical papers and numerous presentations at international conferences, reflecting his commitment to advancing geotechnical engineering practices.
Natasha is a motivated lab professional with over two years of experience and a Bachelor of Science in Biology (Microbiology). She recently completed her Certificate IV in Laboratory Techniques and is now pursuing a Diploma in Laboratory Technology. Passionate about practical, hands-on work, Natasha is developing skills in geotechnical testing while continuously expanding her technical knowledge. Detail-oriented, hardworking, and always up for a laugh, she brings energy and precision to every task.
Brett has over 16 years of experience in construction materials testing and has managed and coordinated testing for major infrastructure projects, including Sydney Water. He recently relocated from Sydney to Queensland to lead our QLD laboratory, where he oversees operations and ensures high testing standards. Brett’s technical expertise and leadership make him a key asset as we expand in the region.
Office Phone: 1800 288 188
Office Email: admin@allgeo.com.au
10 Welder Road Seven Hills NSW 2147
3&4/6 Bellambi Lane Bellambi NSW 2518
Unit 6/88 Township Drive Burleigh Heads QLD 4220
Alliance pays respect to the Traditional Owners and Custodians of the land on which we work and live, and their connections to land, sea and community. We pay our respect to their Elders past and present and extend that respect to all First Nations peoples today.
