4 November 2026

Adelaide

Chami De Silva is an electrical engineer with over a decade of experience in electrical, communications and security services across the Defence, health, commercial, energy and resources sectors. As South Australia’s Electrical Section Manager, she has led electrical engineering and project management assignments across Australia, combining strong technical knowledge with practical understanding of suppliers, products, design resilience and budget requirements.

“I am grateful for this appointment and look forward to the opportunity to work with the team to help shape NDY’s future, build on our momentum, and contribute to our continued success.”

Auckland

William McCulloch is an engineering leader with more than 14 years of experience delivering complex building projects across New Zealand, Australia, Canada and Europe. His expertise includes mechanical services, project leadership, design management, client engagement and business development with a portfolio spanning data centres, commercial, education, health, residential, retail and public-sector projects.

“I am very humbled by this appointment. Thank you to all the fantastic mentors, teachers and people at all levels within the business that have inspired me along the way.”

Jason Wood is a multidisciplinary sustainability professional with experience translating sustainability strategies into practical and commercially viable outcomes. His expertise spans sustainable design solutions, contract and design management, and third-party certifications, supported by strong communication, problem-solving and stakeholder management skills. Jason is also a Green Star Accredited Professional across Design, As Built and Buildings NZ.

“I appreciate the opportunities which NDY has trusted me with this year and I look forward to continuing to support our mission in the years to come.”

Andres Benavides is a Chartered Professional Structural Engineer with more than 17 years of international experience in structural design, analysis and project management. With experience across New Zealand, Italy and Costa Rica, and expertise in earthquake engineering, seismic design and resilient structures, Andres brings a rigorous, research-informed and collaborative approach to delivering safe, efficient and innovative structural solutions.

“I am grateful to the leadership team and my colleagues for their continued encouragement, trust and support throughout my journey. A special thank you to the Structural engineering division for their teamwork, dedication, and hard work which have made this achievement possible.

“I look forward to embracing the opportunities ahead, strengthening client relationships and contributing to the continued success of our projects, team and NDY as a whole.”

Brisbane

Matt Dalgety is a senior fire services engineer with 15 years of experience across contractor and consulting environments. As NDY’s Global Industrial Market Sector Lead, he provides strategic leadership, oversees client relationships and contributes to the delivery of major projects across industrial, residential, health, commercial, education, retail and transport sectors. His expertise includes fire protection services, building code performance frameworks and cost-effective fire safety solutions.

“Being appointed Director is a proud milestone in my career and one that reflects the support, trust and opportunities I’ve been fortunate to receive throughout my career. I’m grateful to the talented teams, mentors and clients I’ve worked with over the years and I look forward to continuing to grow our business, develop our people and create lasting value for our clients and communities.”

Sarah Gilmour is a mechanical engineer with 9 years of experience delivering HVAC and specialist mechanical systems across civic, healthcare, retail and residential projects. She is experienced in design, documentation and quality inspections, and is recognised for developing innovative, high-quality solutions that meet industry standards and client expectations. Sarah is a Chartered Professional Engineer, Registered Professional Engineer of Queensland and member of Engineers Australia.

“Becoming an Associate Director is an exciting milestone for me – it reflects the growth I’ve achieved over the past few years, both within our local team and across the wider business, while strengthening relationships with our clients along the way.”

Patrick Carroll has delivered fire protection design solutions across a range of Defence projects and specialist facilities. His experience includes the design of fire sprinkler systems, foam monitors, hydrant systems, fire pump rooms, gas suppression systems, fire detection and occupant warning systems.

“It’s great to be part of an organisation that genuinely recognises and appreciates hard work, dedication and quality outcomes in making spaces work.”

Canberra

Peter Ethell is a mechanical engineer with more than 8 years of experience in HVAC and building services engineering. His expertise includes thermal energy plants, hydronic system design and commissioning, supported by valuable experience in both contracting and consulting environments. This background enables Peter to understand project delivery from design through to construction while working effectively with clients, contractors and project stakeholders.

“I am honoured to have received this appointment to the position of Senior Associate. Being part of the Canberra office, and leader of the Mechanical technical solutions group, continues to provide tremendous opportunities for me in my career. I look forward to working on more exciting projects and to further contribute to the mechanical services discipline through the technical solutions group.”

London

Jonathan Barnett is a structural engineer with more than 10 years of experience delivering engineering solutions across the United Kingdom, Australia and New Zealand. His expertise spans structural engineering, project management, multidisciplinary coordination and the development of pragmatic, cost-efficient solutions for new builds and the redevelopment of existing structures.

“I’m focused on scaling our engineering offering across London, delivering building upgrades that genuinely improve how the city works. I’m focusing on close client partnerships, retrofit-first design solutions and even closer collaboration with our design teams.”

Melbourne

John Carroll brings more than 40 years of experience in the vertical transportation industry, including more than 30 years with NDY. As Melbourne’s Vertical Transportation Lead and NDY’s group-wide Technical Director of Vertical transportation services, he provides expert leadership across lift, escalator and automated parking systems. John has extensive experience in emerging lift technologies, design, documentation and construction delivery, and maintains strong relationships with manufacturers and specialist suppliers across Australia. He holds a Master of Science in Lift Engineering, is a Chartered Engineer and contributes to industry standards and guidance through Standards Australia, CIBSE and the SAFed Lifts Guidelines review committee.

“It’s been a long and enjoyable journey with NDY and I’m grateful to all the colleagues, clients and design teams I have had the pleasure of working with over the years. Those years shaped me and I am proud and honoured to have been appointed as a Director.”

John Boatto brings over 30 years of experience in electrical engineering across commercial, telecommunications, infrastructure, heritage and government projects. Having worked across NDY’s Sydney, London and Melbourne offices, John has developed broad international and sector experience and now provides group-wide technical leadership for electrical services. He is also an Uptime Institute Accredited Tier Designer and a registered professional engineer.

“I am appreciative that my time and efforts at NDY have been rewarded with this appointment. The many outstanding projects that I have been a part of and working with some exceptional colleges has been enjoyable and rewarding during the last 31 years. I look forward to continuing to work alongside the dedicated team at NDY .”

Martin Williamson is a commissioning professional with 19 years of experience helping clients deliver buildings that perform as intended from design through to handover and ongoing operation. Martin has extensive experience leading commissioning activities in complex and live environments, including hyperscale data centres, where he has coordinated stakeholders, chaired commissioning meetings and overseen performance testing to verify system compliance and design intent. He holds a Master of Science in Building Services Engineering with Sustainable Energy and is a Chartered Engineer, Chartered Institution of Building Services Engineers member and Fellow of the Commissioning Specialists Association.

“I am grateful for this appointment and would like to thank the ECS team, the wider NDY Group and our clients for their support and trust. ECS is built on the talent and commitment of its people and I look forward to continuing to strengthen relationships, create opportunities and contribute to the future growth of the business.”

Jason Forrest has more than 13 years of experience in fire engineering across a range of regions and market sectors. As Manager of NDY’s Melbourne Fire engineering team, he specialises in practical, performance-based fire safety solutions that support safe, compliant and efficient project outcomes. Jason’s expertise includes fire engineering assessments, computational fluid dynamics, evacuation modelling and structural fire engineering analysis, with significant experience across complex aviation and operational environments, including Sydney, Abu Dhabi and Heathrow airports. He holds a Master of Engineering in Fire Engineering, a Bachelor of Engineering in Civil Engineering, a Graduate Diploma in Structural Engineering and is a Chartered Professional Engineer.

“It’s a great privilege to be appointed as a Senior Associate. I’m grateful for the trust and support of the talented group of engineers I have the pleasure of working with and I look forward to continuing to grow and contribute together.”

Hock Ter is a sustainability practitioner with more than 7 years of experience supporting sustainable building design and energy performance modelling. He has worked across commercial, institutional, healthcare, education and residential projects, applying strategic and commercially focused thinking to improve sustainability outcomes for buildings, businesses and organisations. Hock is a Green Star Accredited Professional and a NatHERS-accredited assessor.

“This appointment reflects the trust placed in me to lead our sustainability practice and support clients in delivering better environmental and commercial outcomes.”

Sydney

Troy Wilks is a Chartered Professional Engineer with more than 25 years of experience in the design, commissioning and energy-efficient operation of mechanical building services and industrial process utilities. As Senior Commissioning Manager, he brings extensive international experience gained across Australasia, Europe and the United Arab Emirates, having held senior commissioning, energy engineering and engineering management roles in a diverse range of sectors. Troy’s expertise spans mechanical services, energy, hydraulics, controls and commissioning management, with project experience across mission-critical facilities, commercial offices, retail, leisure, residential, education, pharmaceutical, aviation, correctional, food processing and healthcare developments. He holds a Bachelor of Technology with Honours in Environmental Engineering, a Diploma in Energy Management and professional registrations in Australia and the United Kingdom.

“I am delighted to be appointed as an Associate Director at ECS and the wider NDY Group. I would like to take this opportunity to thank the many talented engineers that have mentored and assisted me along my commissioning career path. I am truly grateful for the opportunities, experience and support provided by the ECS Team. I’m aiming for more exceptional project outcomes, for all our clients, in the coming years”

Elzine Braasch is a sustainability consultant with more than 7 years of international experience across New Zealand, the United States, Dubai, the United Kingdom and Australia. She specialises in passive design, parametric analysis, high-performance building facades, energy modelling, thermal comfort, daylight, natural ventilation and carbon reduction. Elzine also contributes as a Green Star Accredited Energy Modeller and has worked across a diverse range of building types, including high-rise, library, airport and defence projects.

“I am thrilled to be appointed as a Senior Associate within the Sustainability group and am full of gratitude for the opportunity and recognition this represents. I would like to sincerely thank my colleagues and leaders whose support, guidance and collaboration have contributed to my professional growth. It has been, and continues to be, a privilege to work alongside such talented and dedicated people and I am grateful for the trust placed in me. I am excited for the opportunities ahead and look forward to continuing to contribute to impactful projects, fostering collaboration, and supporting the growth and success of our business.”

Angus Demol is a mechanical engineer with more than 8 years of experience in the building services industry. He specialises in HVAC systems, building electrification, psychrometric analysis, thermal comfort, energy efficiency and low-carbon design strategies. Angus also brings a strong understanding of compliance, regulations and safety standards, enabling him to contribute effectively to complex multidisciplinary projects and deliver technically robust mechanical design outcomes.

“I would like to thank the business and leadership team for the opportunities and support provided throughout my career development. These opportunities have allowed me to broaden my technical knowledge, lead challenging projects and contribute to the success of the team.”

Gin Lee is a fire protection engineer with experience in technical delivery, project management, construction-phase support, commissioning and system audits. His expertise includes fire protection design, hydraulic services design and MEP design management with experience delivering client-focused solutions on complex multidisciplinary projects. Gin has contributed to projects across heritage, public, education and commercial sectors, including roles as project leader and lead fire protection and hydraulic services engineer.

“I am thankful for the opportunities and environment that have shaped me both personally and professionally since starting my career at NDY. I am more so grateful to the people that I have worked with every day that make it meaningful.”

Anjana Ravishankar is a lighting designer with more than 9 years of experience and a background in architecture and illumination design. Her expertise spans retail, high-end residential, commercial, mixed-use, hospitality, facade and public-domain projects as well as specialist lighting and MEP services for entertainment facilities. Anjana combines creative design thinking with technical knowledge and is particularly focused on enhancing user experience through efficient, adaptable and well-coordinated lighting solutions.

“Being appointed as an Associate at NDY and NDYLIGHT is a meaningful milestone in my professional journey and I’m truly grateful for the trust and confidence placed in me. I would like to sincerely thank the management team and my line manager for their continued support, encouragement and for consistently valuing my contributions and presence within the business. I deeply appreciate the opportunities and guidance that have helped me grow, and I look forward to continuing to develop, contribute and grow alongside the team as we achieve new milestones together.”

Thomas Louw brings 14 years of technical structural experience across projects ranging from custom residential homes and high-rise towers to major infrastructure and healthcare developments. He specialises in advanced Revit, BIM, Revizto, Navisworks and AutoCAD, and has led and mentored teams of up to 10 technicians. Thomas is experienced in managing documentation, coordination and delivery while improving workflows, accuracy and efficiency across structural projects.

“I’m honored to be appointed as an Associate at NDY. For me, this recognition reflects the collective effort behind driving process improvements, establishing standards and improving how we deliver our structural documentation. I’m proud to work alongside such talented people and grateful for the opportunities I’ve been given to contribute to the growth of the business. This appointment is both a privilege and motivation to continue supporting our team, developing our capabilities and helping shape an exciting future for the structural group.”