National Committee

Harry Asche
Harry AschePresident | Aurecon | Design Director - Tunnels
Harry Asche is the current ATS President. He is a civil engineer with 40 years’ experience and has a BE(Civil) from the University of Melbourne and a PhD from the University of Queensland. He holds a position with the University of Queensland as Adjunct Professor at the School of Civil Engineering.

Harry is Aurecon’s Design Director – Tunnels and he has provided technical leadership for many of Aurecon’s tunnels in Australia, New Zealand and Asia. Tunnels that he has worked on include the Channel Tunnel (UK), the Brisbane Rail Tunnels, New Southern Railway, Northside Storage Tunnel, both in Sydney, and S1 sewer and South-East Busway in Brisbane. Harry then worked on tunnels including the Cross City Tunnel in Sydney, EastLink in Melbourne and the three TransApex Tunnels (Clem7, Airport Link and Legacy Way) in Brisbane. In New Zealand, Harry worked on Project Hobson, Rosedale and the Waterview Connection in Auckland. Recently Harry has worked on Melbourne Metro, NorthConnex, WestConnex 2 and Central Kowloon Route in HK.

Harry is the author of more than 30 conference and published papers on tunnelling.

Richard Buckingham
Richard BuckinghamVice President & Victoria Member | Golder | Principal Tunnelling Engineer
In recent years Richard has worked on multiple hard rock and soft ground tunnel tenders in Australia, Hong Kong, Singapore, Qatar and New Zealand, which involved working off-shore as well as being Melbourne based. He has also worked on pre-contracts (EOI and tender development), and project start-up support, backed up by solid site experience gained from projects in Hong Kong and Australia.

Projects worked on include:
– Melbourne Metro Rail Project, Melbourne, Australia
– EastLink Project (Mitcham tunnels), Melbourne, Australia
– SSDS project, Tsing Yi, Hong Kong
– Route 3 Tai Lam Tunnels, Hong Kong

Richard is a Principal Tunnelling Engineer with Golder Associates, where he provides technical support to the design team and external clients. His specialties and skills include design and engineering management, bid management, methods development, program and production rate development, technical writing, document submission, site QA, geological mapping, ground support determination, rock core logging, shift supervision and even drilling jumbo operation.

Geoff Archer
Geoff ArcherTreasurer | John Holland Tunnelling | Business Development Manager
Geoff Archer is a Fellow of Engineers Australia and first joined the ATS in the 1980s. He has served on the committees for both the Victorian and Queensland chapters of the ATS. In March 2015 he became Treasurer of the ATS National Committee.

Geoff has more than 25 years’ experience in the Tunnelling industry, the majority of which has been with construction contractors.

He is currently John Holland’s Business Development Manager for Tunnelling, a role which covers John Holland’s tunnelling activities across Australia, New Zealand and Asia.

Diane Mather
Diane MatherQueensland Member | ARTC Design Manager
Diane is an experienced Chartered engineer with more than 20 years’ experience in project management and design management of a range of civil engineering and mining projects in Australasia and the United Kingdom.

Diane has diverse project experience working alongside design and construction teams in varied complex and challenging geological and project conditions with an ability to draw on varied experiences and knowledge to challenge, innovate and tailor safe effective technical solutions for design and construction.

Diane has been an active member of the Queensland ATS chapter having the role of Secretary from 2011-2018, Diane has presented a number of ATS Technical Sessions, workshops, conferences and the ATS Design and Construction Short Course.

Diane is an enthusiastic mentor and a positive influence in the development of people and an effective leader of project teams.

Nigel Casey
Nigel CaseyNew South Wales Member | Road & Maritime Service NSW | Manager Tunnel Technology
Nigel first worked on transport related tunnel projects from 1998 with the redevelopment of London’s King’s Cross St Pancras Underground Station. A mechanical engineer, he has subsequently worked exclusively on transport projects including roles as tunnel systems designer and design team manager, and more recently providing client side technical direction as Tunnel Technology Manager at Roads and Maritime Services (RMS).

Nigel currently represents RMS on the Austroads Tunnel Task Force and represents Austroads as a corresponding member to the World Road Association Road Tunnel Operations Committee. He has a specific interest in developing tunnel systems awareness and capability, as well as forging stronger links with industry bodies such as the Australian Tunnel Operator’s Group (ATOG).

Nigel was the organising committee chairperson for the successful ATS2017 conference.

Brodie Aitchison
Brodie AitchisonATSym Representative | Aurecon | Lead Engineer (Tunnelling)
Brodie is a Chartered civil engineer specialising in tunnels and underground spaces. Since 2018 he has been an active member of the Queensland ATS committee and has been a key member of the ATSym team developing the ATS Tunnel Design Guideline.

In 2021 Brodie was elected as the national ATSym representative and is responsible for supporting the next generation of tunnellers locally in Australia.

Brodie is the Lead Engineer (Tunnelling) at Aurecon operating out of Brisbane and is involved with the delivery of tunnelling projects across Australia, New Zealand, and Singapore.

Nadine Makin
Nadine MakinTechnical Director–Tunnels | Aurecon | Victoria Member
Nadine graduated from the University of Melbourne with an honours degree in civil engineering and a degree in computer science and has spent the last 16 years in the tunnelling industry.

In that time she has gained extensive experience in a range of technical aspects within the industry including the planning, design and construction of various major tunnel projects throughout Australia, including Legacy Way road tunnel in Brisbane, the Westgate Tunnel Project and the Melbourne Metro rail tunnel.

Currently Nadine is a Technical Director–Tunnels at Aurecon and a committee member of the Australasian Tunnel Society–Victorian Branch

David Lees
David LeesJournal Editor | Grouting and Foundation Works Australia, GFWAust | Director
David Lees has more than 35 years international experience in tunnelling and underground construction.

David became a member of ATS soon after coming to Australia in 1995. He has been a member of the National Committee since 1997 and took on the responsibility as Editor of the journal which he has carried out ever since.

He is a founding member of Grouting and Foundation Works Australia and in recent years David has been providing Site Supervision on major international tunnelling projects in South East Asia.

Jiang Aizezi
Jiang AizeziWestern Australian Chair (acting) | Services Manager | NEWest Alliance
Aziz has more than 11 years’ experience in the tunnelling and trenchless industry. He has been an active member of ATS since 2013 and has presented at a number of ATS technical sessions, conferences, and the ATS Design and Construction Short Courses.

Recently relocated to WA, he’s been promoted as acting chair of the ATS WA chapter, actively promoting tunnelling and trenchless technology in the not-so-busy WA market.

Aziz has obtained extensive technical knowledge, engineering, finance and management skills in the industry by supporting multiple complex projects from planning phase through to delivery. This includes optioneering, constructability analysis, concept design, tender analysis, design assessments, site/project engineering, forecasting and problem solving.

He has been involved and contributed to successful delivery of trenchless projects involving diverse trenchless techniques including microtunnelling; pipe jacking; auger boring; pilot boring and horizontal directional drilling.

With his strong profile on the utility field, he’s working as Service Manager at NEWest Alliance leading some of the largest service relocation projects in Perth.

Dr Jurij KarlovšekUniversity of Queensland | AuSS Representative

Local Commitees


  • Diane Mather Chair
  • Harry Asche Immediate Past Chair/ National Chair
  • Andrew Ridout Vice-Chair
  • Scott Keniston Secretary
  • Brendan Henry Treasurer
  • Anthony Harding CPD Coordinator
  • Geoff Archer National Treasurer
  • Tony Peglas ATS National Austroads Representative
  • Jiwoo Ahn webmaster, Young members
  • Monique Quirk  Young members
  • Brodie Aitcheson Young members National Representative
  • Jurij Karlovsek
  • Alan Robertson
  • Jeremy Kruger
  • Morteza Ghamgosar
  • Alena Conrads
  • Annalena Baier

New South Wales

  • Nigel Casey Chair – RMS
  • Rob Neivergelt Past Chair – APP
  • Phil Clark Vice-Chair – RMS
  • Hasim Mohammed Treasurer – SMEC
  • David Oliveria Secretary – Jacobs
  • Todd Clarke Technical Session Coordinator – BarChip
  • Aaron Lippet ATSym Representative – Aurecon
  • Brad Boardman Golf Day Coordinator – Bekaert
  • Keith Bannerman ATSym National Representative – Bamser
  • Alexandre Gomes – SMEC
  • David Clague – Bekaert


  • Richard Buckingham Chair – Golder
  • David Grist Immediate Past Chair – Acciona
  • Stephen Barrett Deputy Chair – Golder
  • Anthony Bennett Hon Secretary – Aurecon
  • Bruce Grant Hon Treasurer – Multigrout
  • Jay Lee Events Coordinator – AECOM
  • Gerard Quigg Young Members – CPB
  • Gerry Bertakis – EIC Activities
  • Joshua Barry – Aurecon
  • Nadine Makin – Aurecon
  • Rachael McCarrison – WSP
  • Siddarth Patel – University of Melbourne (Student)
  • John Main

Western Australia

  • Jiang Aizezi Acting Chair – Downer
  • Jayson Bebek Past Chair – Austunnel
  • Will Houghton ATSym Representative – GHD
  • Mike Bluck – PTA
  • Eric Hudson-Smith – PTA
  • Des Vilestra – BarChip