Our Team
Some of our team members

Andrew Johnson, a founding director of Ason Group, is a Civil Engineer with over 20 years of experience in the Transport Planning and Engineering industry.
Andrew Johnson
Director

Piran Trethewey, a founding director of Ason Group, is an experienced traffic engineer with expertise in the areas of traffic engineering analysis and assessment.
Piran Trethewey
Director

Ali is a Principal Traffic Engineer with Ason Group and his current accreditation includes Chartered and National Engineering Registered status with Engineers Australia (MIEAust CPEng NER).
Ali Rasouli
Principal Lead

Edmund has passion in providing the leadership of multi-discipline transport planning and modelling projects including risk management at local, regional and national levels.
Edmund Cheung
Principal Lead – Modelling & Data Analytics

Tim has a Bachelor of Civil Engineering and demonstrated ability in transport planning.
Tim Lewis
Principal Lead – Development Assessment & Advisory

Heidi is a Principal Lead and has over many years’ experience, both across Australia and overseas, in successfully negotiating multi-disciplinary projects and managing coherent and focused specialist teams.
Heidi Herget
Principal Lead - WA

Rhys brings diverse experience in transport engineering and transport planning with a focus on a broad cross-section of both public and private sector clients across Australia.
Rhys Hazell
Principal Lead

Jan is an experienced Principal Transport Planner with a proven track record of delivering creative solutions for clients in various sectors, including smart mobility, transportation, and ITS..
Jan Muller
Principal Transport Modeller

James is a Senior Traffic Engineer and has a Bachelor of Civil Engineering , with a Diploma in Engineering Practice, and has been working as a traffic engineer in the transport planning and transport construction industries for over 11 years.
James Laidler
Senior Traffic Engineer

Becky is a Senior Transport Planner with over 8 years’ experience in local government and private consultancy fields.
Rebecca Butler-Madden
Senior Transport Planner

Eric is a Senior Traffic Engineer/ Analyst. He has extensive experience across a wide range of traffic sub-disciplines including transport modelling, traffic engineering and planning, and traffic design.
Eric Ye
Senior Traffic Engineer / Analyst

Neda is a dynamic and results-driven business manager with a passion for driving growth and innovation.
Neda Omidi
Business Manager

Georgia is a highly organized business administrator with an exceptional attention to detail and a proven record of accomplishment in managing a variety of administrative tasks.
Georgia Clegg
Business Administrator

Sadeepth is a traffic engineer and transport planner with over three years of experience in the industry with a Bachelor of Civil Engineering and a Bachelor of Accounting from The University of Technology, Sydney (UTS).
Sadeepth Bandaranayake
Traffic Engineer

Jasmine is a traffic engineer and has been involved in various projects ranging from residential, retail and industrial developments in both New South Wales and Western Australia.
Jasmine Wong
Traffic Engineer

Babak is a Transport Modeller / Analyst with experience in traffic modelling, strategic transport planning, travel demand modelling, traffic management studies, and data analysis.
Babak Javani
Traffic Engineer / Analyst

Michail is a transport modeller who has been involved in a broad range of projects covering road network planning studies, state road upgrades, as well as concept and detailed design of major infrastructure projects.
Michail Schwarz
Transport Modeller & Data Analytics

Musstafa Abdullah is a traffic engineer with 2 years of experience in the field.
Musstafa Abdullah
Traffic Engineer

Masoud is a traffic modeller and data analyst with 8 years of experience in several modelling software tools, including SIDRA, Aimsun, and VISSIM.
Masoud Khodadadifard
Transport Modeller

Jensen is a Traffic Engineer with a Bachelor of Engineering (Honours) in Civil Engineering from UNSW.
Jensen Wu
Traffic Engineer

Jayden is a traffic engineer with experience in working on a range of projects including residential, commercial, retail, mixed-use, childcare, and industrial developments.
Jayden Lam
Traffic Engineer

Emily is a Traffic Engineer with professional experience in road/traffic engineering and transport planning industry in both China and Australia across government and private sectors.
Emily Duan
Traffic Engineer

Awornit is a traffic engineer who has worked on several projects, including residential, retail, and industrial developments in Queensland, Western Australia, and New South Wales.
Awornit Shrestha
Traffic Engineer

Arun is a Transport Modeller with experience working in New South Wales and Western Australia across private and government sectors.
Arun Mohan
Transport Modeller / Analyst

Angela is a traffic engineer with experience in transport planning, project coordination and ESD consulting.
Angela Ji
Traffic Engineer

Alan is a traffic and transport engineer based in Sydney with a BA in Civil Engineering from UNSW.
Alan Tan
Traffic Engineer

Lee has recently completed a Master in Transport and Traffic and has strong experience across the disciplines of civil engineering design and traffic engineering.
Lee Liu
Graduate Traffic Engineer

As a graduate transport modeller, I have a strong interest in using data and mathematical modelling to analyse and improve transportation systems.
Martin Li
Graduate Traffic Engineer