Report a Fault: (08) 8586 6050 [24/7] | Office Hours 9.00am to 4pm Monday to Friday | AGM 7 December 2026

Our Staff

James John, LLB, BBus

Interim CEO

James joined the Trust in 2018 and was appointed Interim Chief Executive Officer in January 2026. He leads the Trust’s strategy, operations and performance, working closely with the Board to deliver reliable service, strengthen governance and support the long-term sustainability of the irrigation district.

Before joining the Trust, James was a mergers and acquisitions solicitor at Herbert Smith Freehills, advising on complex corporate transactions, including cross-border mergers and private equity-backed deals. This brings a strong commercial, legal and strategic perspective to his leadership.

Originally from Renmark, James returned home with a deep commitment to the region’s future. His interests include critical water infrastructure, irrigated agriculture, regional economic development and modern governance.

James was elected to Renmark Paringa Council in November 2022, reflecting his commitment to local leadership and community service.


Karina Lambert

Business Manager

Karina brings significant business, finance and operational leadership experience to the Trust, developed across 15 years in the government sector and a decade in finance. She has held senior business management roles with responsibility for complex corporate operations, including finance, administration, human resources, work health and safety, facilities, marketing and major project delivery. Karina has a strong track record in executive leadership, governance support, process improvement, financial sustainability and organisational culture, and holds a Postgraduate Certificate in Business Administration.

Karina was appointed as Business Manager in May 2026.


Hayden Smith

Operations Manager

Hayden brings over 16 years of experience across South Australia’s water industry, having held senior and leadership roles in the delivery, operation, and maintenance of environmental water infrastructure. Hayden is passionate about the environment and the sustainable management of South Australia’s natural resources. Additionally, Hayden holds a Graduate Certificate in Business Administration and a Diploma in Water Operations, bringing a blend of operational, technical, and leadership capability.

Hayden was appointed as Operations Manager in May 2026.


Our staff

Administration and Field team

Our Administrative and Field team service Trust customers at the Main Office, the Trust Depot and Main Pumping Station, as well as out in the field monitoring and maintaining the extensive Trust infrastructure. Our Trust team prides itself on working with Trust Members and customers in underpinning the economic, social, and environmental prosperity of the Renmark community.