Our Team

Under the leadership of our executive, we have carefully grown our team of high-quality people, and with each project we strive to keep on improving.

Our multidisciplinary team are specialists with diverse experience in Rail, Road, Power, Defence, Health and Information & Communication Technology (ICT) projects. Our Directors are all recognised leaders in the NSW industry and as a policy all our Directors continue to be actively involved in project delivery.

John Armstrong, Managing Director

John Armstrong

Managing Director
(+61) 452 544 149

John has over 25 years’ experience in developing and delivering road and rail infrastructure projects across Australia and Internationally. John’s experience as a client, contractor and consultant gives him an excellent insight into what each organisation needs and how best ARCH Artifex can help them.  

Portrait of Steve Naumovski, Advisory Board Member

Steve Naumovski

Advisory Board Member
(+61) 400 300 246

Steve has 25 years’ experience in developing and delivering rail, road and power infrastructure projects. Steve brings our clients a broad technical capability to complex multidisciplinary projects with particular expertise in constructability and interface management.

Portrait of Tom Castor

Tom Castor

Regional Director – Vic
(+61) 488 083 606

Tom has over 30 years in engineering management in both Australia and the United Kingdom including the electrification of Adelaide’s passenger rail network and traction power system upgrades in Queensland’s coal rail systems. Tom joins ARCH Artifex from Metro Trains Melbourne, where he was the Engineering Manager for the Metro Tunnels Project and the Level Crossing Removal Program.

Portrait of Conrad Winter

Conrad Winter

Director – Markets
(+61) 409 790 011

Conrad has over 25 years’ experience as a business development specialist and strategist across numerous market sectors delivering products and services to Government, infrastructure, energy, property and water clients. Conrad has been instrumental in his career to lead and drive teams to successfully deliver customer focused strategies that win, nurture and maintain clients year after year resulting in positive outcomes and delighted clients.

Portrait of Sandra Bradfield

Sandra Bradfield

Director
Corporate Services
(+61) 408 978 835

Sandra has over 25 years’ experience in corporate accounting, auditing and the public accounting profession.  As Director Corporate Services for ARCH Artifex, she brings her understanding of Corporate Governance, consultancy expertise and broad business knowledge garnered through her position on the board of management in the Not-for-Profit sector and as Principal of her own CPA Practice.

Portrait of Jonathon Luey

Jonathan Luey

Director
Systems Engineering & Safety Assurance
(+61) 409 688 709

Jonathan is an Engineering Manager with over 20 years’ experience. He leads our SESA team nationally and brings to the table his extensive experience in implementing best practice Engineering Assurance within client organisations to help ARCH Artifex support contractors, developers and consultants during project delivery.

Portrait of Andy Petrie

Andy Petrie

Director
Systems & Safety Assurance
(+61) 410 969 945

Andy has 25 years of experience and is ARCH Artifex’s national lead for Safety Assurance. Andy’s knowledge and experience with Government Agencies and Head of Safety roles with rail infrastructure managers ensure that ARCH provides the best in class rail Safety Assurance services nationally.

Portrait of Tharan Karunalayan

Tharan Karunalayan

Technical Director
Systems Engineering & Safety Assurance
(+61) 412 616 499

Tharan is a Chartered Engineer with 20 years’ professional, multidisciplinary engineering experience. He has expert Systems Engineering & Safety Assurance (SESA) knowledge and skills gained from working on both the contractor and client side within the Rail, Defence, Airports, and ICT sectors.

Portrait of Sameera Bandara

Sameera Bandara

Associate Director
Systems Engineering & Safety Assurance
(+61) 412 409 882

Sameera is an experienced Systems and Safety Engineer with over 22 years of experience working across Rail and Defence Aviation sectors. In the last 5 years, he has worked exclusively on Major Rail Projects including the Metro Tunnel Project (MTP) and the Melbourne Airport Rail (MAR) Project, supporting the delivery and integration of novel technology across the Melbourne Rail Network.  

Portrait of Viknesh Sivaguru

Viknesh Sivaguru

Senior Consultant
Systems Engineering & Safety Assurance
(+61) 424 800 006

Viknesh is a Systems Engineering, RAM, and Safety Assurance consultant with 9 years’ experience in Technology, and Rail Systems & Safety Assurance on city-defining projects in Victoria. Viknesh's experience spans the entire asset lifecycle, from defining business cases and concepts of operations, through to design delivery, construction, and testing & commissioning in the Rail sector.

Portrait of Raza Rizwan

Raza Rizwan

Senior Consultant
System Engineering & Safety Assurance
(+61) 433 414 613

Raza has over 10 years of experience in Victoria and was an IRSE Finalist – Systems Engineer of the Year in 2018. Raza’s Victorian experience includes Melbourne Metro, High Capacity Metro Trains, Melbourne Airport Rail and Yarra Trams and he is currently assisting with our Independent Safety Assessor (ISA) role for MTM.

Portrait of Ray Misa

Ray Misa

Associate Director
National Human Factors Lead
(+61) 425 671 718

As a Human Factors (HF) expert, Ray has supported transport, infrastructure, and safety projects across Australia and New Zealand for over 17 years. With diverse experience in consulting, design, and assurance, he has an intricate understanding of HF integration across the entire project lifecycle.

Portrait of Gareth O'Brien
IS Accredited Professional

Gareth O'Brien

Director
Environment, Sustainability, Engagement & Communication
(+61) 428 194 445

An experienced environment and sustainability leader on major infrastructure projects, Gareth has 10+ years’ experience across all phases of the project lifecycle. Gareth brings expertise in environment and sustainability management in design and planning approvals, construction delivery, assurance and leading sustainability ratings.

Portrait of Mark Turner
IS Accredited Professional

Mark Turner

Associate Director
Environment
(+61) 412 432 488

Mark has over 15 years of experience in operational leadership, pre-contract and delivery roles across environmental management, approvals and sustainability within various sectors in Australia. Having held positions with Tier 1 Contractors and as a regulator in State and Local Government, he understands approval and compliance requirements, which he can translate into a construction setting to ensure ongoing compliance during the Project lifecycle.

Portrait of Byron Davy
IS Accredited Professional

Byron Davy

Associate Director
Sustainability
(+61) 433 414 613

An accomplished sustainability leader with 15+ years of expertise across major infrastructure and commercial projects, Byron excels in developing and implementing sustainable strategies throughout the design and delivery phases. Passionate about helping organisations develop their sustainability capacity and has led and managed the delivery of 50+ sustainable rating outcomes, Byron brings a wealth of practical and strategic experience, insight to projects, corporate and group level sustainability.

Portrait of Rosie Dutton
IS Accredited Professional

Rosie Dutton

Prinicpal
Sustainability Lead
(+61) 415 597 887

Rosie has a history of delivering sustainability excellence across a range of major infrastructure projects. She is outcomes oriented; an analytical thinker; and passionate about sustainable development and education. She has demonstrated exceptional leadership and skills to engage, motivate and manage multi-disciplinary teams to deliver tangible sustainability outcomes from design through to operation.

Portrait of David Jones, Director, Divisional Manager, Project Services

David Jones

Director
Project Services(+61) 417 314 537

David has 20 years of engineering management experience in transport infrastructure, waste-water, and power projects. Prior to joining ARCH Artifex as a Director in 2020, David was Downer’s NSW Engineering Manager, responsible for the design, Systems Engineering & Safety Assurance, construction quality and commissioning management across all NSW rail and road projects.

Portrait of Mark Hughes

Mark Hughes

Director
Project Services(+61) 447 017 187

Mark has 30+ years of international experience within the transport and broader infrastructure market across operations, engineering and projects. He has spent the last 20 years in the consulting and professional services market in the UK and Australia, working with operators, manufacturers, contractors and public bodies, as a consultant, Regional Director, Country Manager and Managing Director. Mark is passionate about building teams and capability to deliver exceptional outcomes for clients.

Portrait of Josh Boyd

Josh Boyd

Associate Director
Constructability
(+61) 417 111 321

Josh has 15+ years’ experience in managing major rail infrastructure design, construction, and commissioning projects. Josh leads ARCH’s constructability service and is responsible for the delivery of construction methodology and planning on major infrastructure projects with a particular expertise in brownfield rail environments.

Portrait of Richard Wulff

Richard Wulff

Associate Director
Project Planning and Controls
(+61) 414 699 370

Richard brings over 17 years of international experience in delivering major programs and projects across the energy, water, transport, and broader infrastructure sectors. His expertise spans development, engineering, delivery, and operations. Over the past decade, he has provided consulting and transformational services in the the delivery and control of infrastructure programmes across the US, UK, UAE, and ANZ.

Portrait of Damian Perera

Damian Perera

Senior Consultant
Constructability(+61) 452 211 328

With 14+ years’ experience, in the delivery and leadership of multi-sector projects Damian provides a technical understanding of constructability and the logistics required to deliver successful project outcomes. His ability to integrate his hands on experience with design experience allows him to collaborate with clients and project teams to develop constructability plans integrated with design and procurement strategies to achieve practical and safe construction solutions.

Portrait of Ciaran Keating

Ciaran Keating

Senior Planner
Project Planning & Control
(+61) 433 401 019

Ciaran is a dedicated Construction and Forensic Delay Planner with over seven years of experience in client, contractor, and consultancy roles across diverse industries including Data Centres, Fit-out, Building, Life Sciences, Rail, and Utilities. Ciaran Specialises in developing comprehensive schedule programs, strategic planning, and optimising project delivery within the construction sector.

What our clients say...

"I've had the pleasure of dealing with ARCH Artifex on a number of occasions. They supported Lendlease Building in obtaining their AEO Certification and have also supported our design JV on the Sydney Metro Victoria Cross project. I've always found the team to be easy to work with and get the job done. Happy client!"

Jeremy Cole — Head of Rail Assurance

Lendlease Australia

1/8

"ZHACOX selected ARCH Artifex due to their deep experience and competence in a range of assurance activities. The team blended seamlessly with our design team, carefully integrating the design thinking to achieve brief compliance."

Satvir Mand — Director

COX Architecture

2/8

"The team are exceptionally skilled at providing support across the project lifecycle, including Systems Engineering and Safety Assurance. ARCH Artifex people are of the highest standard who consistently demonstrate a high performing attitude and a commitment to best project outcomes."

Rob Wallace — Project Director

Georgiou Group

3/8

"ARCH Artifex are the consummate professionals, always meeting timelines and providing effective client engagement. The team are a highly engaged workforce and the business displays an impressive organisational culture."

Tony Lennon — National Rail Technical Lead

Australia Pacific — Arcadis

4/8

"We have utilised the ARCH Artifex team on our TfNSW infrastructure projects and have found their skills in Safety Assurance and Requirements Management, Design Management and P6 Programming to be exemplary."

Colin Woods — Managing Director

Haslin Constructions Pty Ltd

5/8

"ARCH ARTIFEX have provided us expert services across HV power Infrastructure Projects. The knowledge and experience have been exceptional and made a big difference in the overall management of our projects."

David Underwood — Project Director

Global Switch

6/8

"ARCH's team demonstrated extensive knowledge and understanding of sustainability risks and opportunities and ensured that they were appropriately tracked and recognised within the project.  ARCH's input and dedication enabled effective implementation and recognition of the significant effort to deliver sustainable outcomes across the project. Thank you to the entire team for their commitment and dedication."

Alex Major — Environment, Sustainability and Approvals Manager


John Holland Group

7/8

"The ARCH team brought invaluable expertise in system assurance, guiding the project successfully through all the Network AssuranceCommittee processes. Their professionalism and dedication were evident at every stage, making them a crucial asset to the project's success."

Luke Xu — Design andEngineering Managerr


CPB Contractors

8/8