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The role of the Executive is to manage the day-to-day operations of the RTAA.

The Executive is comprised of office bearers who are elected annually at the Annual General Meeting, held during AusRAIL.  

More information on our Executive is provided below.

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Thomas Kerr


As RTAA President, Thomas’ vision is to encourage and inspire the younger generation to live their dreams, take calculated risks and ensure they do not take for granted the knowledge and wisdom their seniors have passed down to them. 

Thomas is a Chartered Professional Project Manager, Civil Engineer and a Tutor with nearly 9 years of experience in the construction and maintenance of railways. He has completed a Bachelor of Civil Engineering, a Diploma of Project Management and a Certificate IV in Training and Assessment. 

With extensive expertise in rail, Thomas has a broad understanding of different railway modes such as heavy rail, metro and light rail. He has achieved many accolades including Sydney Trains Gold Award, RTAA Young Rail Specialist Award and Transport for NSW’s Employee Excellence Award. 

Thomas thoroughly enjoys working with his teams, challenging the norm and working in such a diverse and vibrant environment that is transport industry.

Jonathan Barnes

Vice President

Jonathan has worked in the rail industry for the last 15 years, having started his career with Swetha in 2000. He spent his early years in Rail Safeworking and corridor management, while studying civil and computer engineering at Western Sydney University. He joined RailCorp’s Intern program in 2008, working in the Civil Major Construction group, and has subsequently worked across a range of areas. He is currently the Rail Inspection Services Manager for Sydney Trains.

Jonathan joined the Management Committee in 2013 and has played a key role in the Rail Industry Field Day as well as improving the RTAA’s engagement with young members. In 2014, Jonathan was honoured to be elected Vice President.

Complementing his role with RTAA, Jonathan is an active member of various panels and groups of Engineers Australia, including holding a position with the Sydney Division Committee.

Steven Johnson

Vice President

Steve Johnson is a self-confessed railway nerd.

He willingly entered the rail sector in 2000 and has never wanted to leave. Steve studied for a Masters in Railway Systems Engineering at The University of Sheffield with the intention of starting a career in railways.

Since then Steve has predominantly worked in the track renewals area of the industry focussing for many years on turnout renewals.

Steven has a keen interest in continuous improvement. Combining his interest in improvement with his experience of turnout renewals, he has worked on projects delivering improvements in the way turnouts are renewed in the UK and Sydney, with Sydney Trains. 

Steven is now the Managing Director of MATISA Australia, a subsidiary of the Swiss manufacturer of railway maintenance equipment, MATISA Material Industriel S.A.

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Kieran Navin


Kieran has worked in or around the UK and Australian railways for the past 13 years.  He’s interested in fixing complex problems, be they technical, strategic or human. As a result, he likes to be where teams are in trouble or the obstacles are seemingly insurmountable.

During his career, Kieran’s varied roles have included stints operating tamping fleets, ­managing welding teams, supporting enormous bids, running small businesses and relentlessly searching for the next and newest technology (or management theory) to help with the next unsolvable problem.

Kieran’s been a fixture on the Management Committee for several years, and joined the Executive as Treasurer in 2018.  He also has an unofficial role as IT support and SharePoint archivist.

Kieran is currently Managing Director of Riddell View Pty Ltd, a consultancy firm offering Project and Bidding Leadership expertise, and he’s always on the lookout for the next problem!


Jim Mahood


Jim has 35 years' civil engineering experience and started his career as a civil engineer with the State Rail Authority of NSW.

Since that time he has held various positions including within Broadspectrum’s rail and power businesses, as well as having experience in road maintenance and pavement stabilisation projects.

Key rail projects Jim has been involved with include the Sydney Airport Line and Epping to Chatswood Rail Tunnel maintenance contracts. Adding to this experience, Jim brings his commitment to cooperative contracting philosophies and developing outsourced asset management solutions in transport infrastructure.

He was elected to the Executive in 2016 and has been an active RTAA member for many years, including playing a key role on the Rail Industry Field Day organising committee.