Our People - Technical Expertise

Our GR Production Services Technical Management team possess significant oil and gas industry experience encompassing production operations, maintenance, advisory, logistics, engineering, project management, drilling, well management and facilities design.

Marc Chable | General Manager Advisory

Marc Chable joined GR Production Services in 2010 and held senior management roles as General Manager, Projects and Facilities Engineering before taking up the role of Regional Manager for Victoria in 2013. In 2018, Marc was appointed General Manager, Operations & Advisory East. Marc brings over 24 years of oilfields experience in Australia, the United Kingdom, Russia, India and Malaysia. His specific areas of expertise include oil and gas (onshore and offshore) engineering, operations management, project development and delivery. Marc holds a degree in Mechanical Engineering from Monash University.

Andy Bull | General Manager, Operations & Maintenance East

Andy Bull joined GR Production Services in 2020 as General Manager, Maintenance – East. Andy brings international experience within the petrochemical industry, having worked for ExxonMobil in the UK and Caltex (now Ampol) based at the Lytton Refinery in Brisbane having held roles as Reliability, Maintenance and Turnaround Manager and more recently Operations Manager. As General Manager Andy is contract owner for maintenance services agreements across our Eastern Region and is accountable for ensuring client’s needs are delivered by providing safe, reliable, cost effective and fit-for-purpose operational maintenance solutions.



Josh Harrison | General Manager, Operations & Maintenance West

Joining the GR Production Services business in 2017, Josh has held senior management roles of Production Superintendent and most recently as WA/NT Field Operations Manager. Josh has an impressive track record of delivering excellent results for our clients by maximising production, reducing costs and maintaining HSEQ excellence, within conventional and unconventional oil and gas projects, maintenance, and operations.

Based in our Darwin Hub, as General Manager Operations – West, Josh  is responsible for maintaining and strengthening our operations business in the West, particularly focused on further developing our Darwin Hub capabilities and service offering. Josh is committed to working closely with our clients, local businesses, and the community to help the Territory continue to grow.


Contact us to find out more