Leadership Team

Susie Pascoe

Managing Director

Susie has over 20 years’ experience working with large industrial companies and consulting firms before joining Sterling Group in 2009. She has led and managed large numbers of people in all facets of an organisation encompassing supply chain and wider business disciplines. She has proven experience as a thought leader, project and program manager working in a number of different disciplines where she has demonstrated outstanding ability to deliver and successfully manage complex stakeholder environments.

Ryan Condron

Director – Maintenance & Construction

Ryan is an accomplished manager with a consistent record of success built on strong and principled leadership, an empowering management style and a personal motivation to achieve required outcomes. He has led and managed large numbers of people in all facets of an organisation encompassing operations, projects, engineering, supply chain, and marketing. As Sterling’s Director of Maintenance & Construction he oversees all the business and operational aspects of our Maintenance and Construction teams Australia Wide, while also continuing to work as a Senior Project Manager for our more complex projects.

Suzanne Trimble

Director of Finance & Administration

Suzanne is responsible for managing the overall financial health of the business. Through financial reporting, strategic insight, analysis and long and short term financial goal setting she has been able to ensure the financial success of Sterling. Her ability to efficiently manage administration activities through back of office operations, business accounting and bookkeeping, business systems (OH&S, Quality, Finance and Job Management) and general office operations is crucial to Sterling’s achievements. Suzanne is also in charge of maintaining Sterling’s adherence to legal regulations. Suzanne’s Bachelor of Accounting and chartered accountancy background, as well as her experience across small to large organisations ensures she brings extensive insight and skills to Sterling.

Chris Parkinson

Director – Engineering & Asset Management

Chris leads the Sterling Asset Management (SAM) division which undertakes visual and engineering inspections, load rating assessments, disability access audits and design of infrastructure assets in the rail environment.

Chris brings top-tier industry knowledge in the design of complex, signature infrastructure projects across Australia, such as the New Gateway Bridge in Queensland, Djerriwarrh Creek Bridge in Victoria, and Port River Expressway in South Australia. His technical experience covers a variety of bridge and infrastructure forms, including prestressed concrete, balanced cantilever bridges and concrete and steel box girders.

Chris holds an MBA from Melbourne Business School and bachelor’s degrees in engineering and Science from the University of Melbourne. He is a driven and dedicated professional whose strengths lie in his ability to communicate with his team, set up projects for success and drive to successful outcomes collaboratively with the client.

Ryan O'Halloran

Melbourne Construction Operations Manager

Since joining Sterling Group in 2016, Ryan has project managed, delivered and supervised a range of projects for works within the rail corridor. He brings to Sterling 7 years’ worth of Supervision experience complemented with developed skills for project and stakeholder management and has quickly developed a sound knowledge of the Victorian/Sth Australian Rail networks. Having completed his trade qualification as an Electrician, Ryan has further built upon this foundation with additional engineering study. Complemented with practical experience in dynamic and fast-paced project environments, he provides Sterling an all round package, able to manage his own projects, with the technical/on site experience to ensure task are completed safely and in accordance with client, ARO requirements.

Adeline Bisson

Director of Asset Performance

Adeline has 15 years’ experience in civil engineering specialising in asset management, asset valuation and accessibility across public transport infrastructure. Adeline has extensive experience in managing large structure inspection contracts for rail operators, road and local authorities in the UK and Australia. Her field experience includes railway infrastructure projects such as the East London Line and the Channel Tunnel RailLink. In Australia, she has delivered MTM Asset Valuation of all overhead structures and bridges as well as overseeing the MTM Routine Inspection Contract. Adeline joined Sterling Group in 2013 as a Consulting Engineer and was promoted to her current Director-level role in 2016. Adeline leads the Asset Management Division. Projects include ARTC Visual Inspections – overseeing delivery of annual inspections of more than 1500 assets; and Level 2 Inspections for VicRoads. Adeline is also establishing Sterling’s accessibility consultancy services through projects including an accessibility advisory role to VicTrack for their Gippsland Corridor DDA upgrade and a rolling stock audit and action plan for V/Line.

Aaron Harrison

Manager of Inspection and Asset Data Solutions

Aaron is a structural engineer with 12 years’ design and assessment experience over a broad range of structure types, loadings, and materials. He has carried out seismic assessment, repair and strengthening schemes; bridge assessments; design of retaining walls, sign gantries, noise walls, shallow foundations, walkways, civil structures and viewing platforms. He has a key strength in coding (python) and machine learning techniques including deep learning and artificial neural networks which are powerful tools with a broad range of applications. Aaron’s experience extends to design offices, secondments within Council offices, on site, bridge inspecting, as well as working remotely to carry out design in the UK for the NZ offices.

Allan Tegawa

General Manager – Perth

Allan joined Sterling in 2016 and quickly established himself in the engineering and asset management division as a skilled inspector, engineer and project manager. He has lead and delivered a wide variety of projects with a demonstrated proficiency in bulk data collection processes, management and structural inspections of bridges and culverts. His experience also extends to DDA compliance audits and design reviews in the public transport sector. He leads Sterling Perth with excellence in broad project delivery with a genuine client focus.