Leadership Team

Vice President Gas and Integration Lead
Grant Pexton joined North West Shelf Gas Pty Ltd in January 2025 as Vice President Gas and Integration Lead.

Grant is responsible for leading NWSG, including both commercial and operations of the obligations under the suite of contractual relationships with LNG buyers.

Grant has over 19 years of experience in the oil and gas industry, including Downstream Sales and Marketing, LNG Marketing, Upstream Commercial, Asset Sales, Hydrogen Development. Grant’s experience in the NWS Project includes as Shell Marketing GM from 2013-16, NWS Tolling Deal Lead and other NWS Commercial Projects.

Grant holds a Bachelor of Commerce (Finance and Marketing).

Principal Counsel

Valeria Cooney joined North West Shelf in October 2011. 

Valeria has over 20 years’ of legal experience, with a particular focus in the energy and resources sectors.   She commenced her legal career in Western Australia, and then spent 6 years working in London before returning to Perth in 2006.

Valeria holds a Bachelor of Laws degree from The University of Western Australia. 

General Manager – LNG Marketing (Commercial & Operations)

Sanja Kolonic joined North West Shelf Gas Pty Ltd in April 2026 as General Manager LNG Marketing, with responsibility for the end-to-end commercial and operational management of LNG Sales and Purchase Agreements (SPAs).

Sanja has over 19 years of experience in the global oil and gas industry, specialising in LNG marketing, commercial strategy, and business development. She has a proven track record in commercialising LNG equity portfolios, originating and executing high-value LNG transactions, and cultivating strategic relationships across global energy markets. 

Sanja holds a Master of Business Administration (Oil and Gas).