Meet the Water Dynamics Team

At Water Dynamics our strength is our people. With over 150 years of experience combined, our management team is full of dedicated individuals who take pride in our extensive industry expertise, and our professional, friendly customer service.


Chief Executive Officer

Scott joined Questas Group in December 2019 as CEO of Water Dynamics and in July 2021 was appointed CEO of the Water Division. With a background in agriculture, Scott has over 20 years’ experience in leading business as both a CFO and Managing Director.
Before joining Questas, Scott spent 22 years in the distribution industry, the last role with Dynamic Supplies as Managing Director. Prior to this Scott worked in corporate finance with both Ernst & Young and Credit Suisse First Boston. Scott has a Bachelor of Financial Administration, a Graduate Diploma in Corporate Finance from University of New England and a Masters of Commerce from Macquarie University. Scott is a qualified accountant (CA).

James Osborne Darwin GM


Darwin General Manager

Our friendly General Manager at Water Dynamics Darwin, Jimmy has extensive experience in the irrigation industry. With his knowledge and experience spanning over many years, Jimmy has developed an excellent reputation for fulfilling the individual needs of his customers. Jimmy is primarily interested in helping the wider community, this includes customers from the large commercial clients, to the residential enthusiast.

David Bell National Sales Manager Mildura Robinvale


National Sales Manager / Acting Mildura and Robinvale Branch Manager

Being with Water Dynamics for 20 years, David regards himself as a specialist in delivering drip irrigation systems and has a broad knowledge of all things pumping and irrigation. Having a diploma in Business and completing many industry courses, David has a strong background across a broad range of farming activities. While David has been involved with many interesting clients from industries such as government, sporting organisations and wineries, his real focus is supporting the farming community from large corporate farms to the family owned ones.

Andrew Summerton National Operations Manager


National Operations Manager

In his role Andrew is responsible for improving operational management practices within Water Dynamics, while also taking part in the implementation and refining of new strategic initiatives. Andrew has a degree in Mechanical Engineering, and brings a great deal of experience to Water Dynamics having held various roles within engineering based businesses throughout his career. Prior to joining Water Dynamics Andrew was in the role of National Product Manager at the Inenco Group.

Jeremy Cox Business Development Manager


Business Development Manager

Brought up on the family farm, Jeremy has a solid understanding of agriculture and water requirements from a practical and technical aspect. Jeremy has been with Water Dynamics for 18 years and has been working in the industry for over 32 years.

Over the years Jeremy has been involved with a large range of projects including the Macquarie settlement irrigation Scheme, the largest private irrigation schemes in the state. He has diplomas in both business and irrigation and has completed a number of industry courses.

Sam Work Mt Gambier Manager


Mt Gambier Branch Manager

Sam has worked for Water Dynamics for over 13 years and within the agricultural industry for 20 years. He has a Bachelor of Agriculture from the University of Adelaide. Sam has experience working on a dryland cropping and irrigated prime lamb property before starting as an agronomist, where he has a wealth of knowledge about the unique underground aquafer system in the south-east parts of South Australia.
Sam started at Water Dynamics as a sales representative, involved as project manager for the Bayer CropScience breeding and research farm drought proofing irrigation project. He has spent the last 5 years as the Mount Gambier Branch Sales Manager.

Andrew Heslin Yarrawonga manager


Yarrawonga Branch Manager

Andrew has an extensive background in Irrigation and Water Management, and he holds a number of formal qualifications in water management, irrigation, HSE & risk management. In addition, having grown up on horticultural enterprises, Andrew has a firsthand understanding of agricultural irrigation, and what is important to our customers. Prior to joining Water Dynamics, Andrew was teaching irrigation at TAFE & spent 13 years working in Corporate services for Goulburn Murray Water, he also has over 20 years of Commercial and Sporting Turf experience under his belt.


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