Mike Scott

Chief Executive Officer

Master of Engineering (Civil)

Mike has a Master of Engineering with Distinction in Civil Engineering from the University of Canterbury, specialising in environmental engineering and has completed executive international management training at the Thunderbird School of Global Management in Arizona.

Mike has 27 years post graduate experience in business and commercial development, strategy, planning, operations and engineering in predominantly the energy sector in Australia, Scotland, USA and New Zealand. Before joining WWL, Mike was the Vice President North West Shelf Venture at Woodside Energy Limited, a top 15 ASX A$30B market cap company, where he also held the position of Chief Executive Officer for one of Australia’s largest economic assets, the A$34B North West Shelf LNG Joint Venture Project. Mike previously held the position of Vice President for Strategic Business Development and Growth at Woodside Energy Limited and Growth with the responsibility of growing Woodside’s business in Australia and internationally.


Dave Ashcroft

Chief Financial Officer

Chartered Accountant

Dave has significant commercial experience spanning three decades, specialising in organisations undergoing significant change in a variety of industry sectors in New Zealand, Australia, the United States and Europe. In 2017, he launched his own business advisory company and has recently worked with Koata Ltd, NZ Artesian Water and the Aimex Service Group. Previously Dave had senior executive team roles at the Cawthron Institute and at a Sealord aquaculture joint venture in Tasmania.

Dave is passionate about the success of the region and supports a small number of local businesses and organisations in both a commercial and volunteer context. He is a Chartered Accountant and a member of the NZ Institute of Directors and of the Australian Institute of Company Directors.


Richard Timpany

Commercial Manager and Company Secretary

Bachelor of Laws, Bachelor of Commerce (Finance)

Richard was admitted as a Barrister and Solicitor of the High Court of New Zealand in 2004 following graduating with a Bachelor of Laws and Bachelor of Commerce (Finance) from Otago University.

Richard worked in various capital market roles in Sydney and then London before returning to New Zealand. He has consulted on irrigation projects in Central Otago prior to becoming the Chief Executive Officer at Hunter Downs Development Company in Timaru.

Richard Milsom

Project Services Manager

Bachelor of Science (Hons) Construction Management

Richard is an Incorporate Member of the Chartered Institute of Building and has over 30 years in the building and civil engineering industries in the United Kingdom and New Zealand. He has a diverse portfolio of experience, including over 20 years project management. He joined Waimea Water Ltd after 8 years at McConnell Dowell and 4 years at HEB Construction working on the two largest infrastructure projects undertaken by Christchurch City Council; the safety award-winning Sumner Road Rehabilitation and the Lyttleton Wastewater Upgrade.

Richard has large earthworks project experience including the Mercer to Long-swamp motorway extension; Sir Barry Curtis Park, the one-million cubic metre earthworks project that created Flatbush in Manukau and the Ashburton Business Park.

Richard’s portfolio at WWL includes project health & safety, schedule performance, cost management and risk strategies.


Daniel Murtagh

Technical Manager and Engineer Representative

Bachelor of Engineering (Hons) (Mechanical)

Daniel holds a Bachelor of Engineering (Hons) (Mechanical) degree, and is a Chartered Professional Civil Engineer, an International Professional Engineer and member of the NZ Society of Large Dams.

He has extensive knowledge in the development of challenging large-scale capital projects around New Zealand. Most recently, Daniel successfully managed the ground up development of the $45M Sheffield Water Scheme in mid-Canterbury. This project involved the design, consenting, capital raising and construction of a cooperative irrigation scheme including a High PIC earth ring embankment dam.

Daniel has significant experience in infrastructure project management, administration of New Zealand construction contracts, water reticulation design, quality control and plant commissioning.


Alasdair Mawdsley

Environment & Sustainability General Manager

Bachelor of Science Geography and Environmental Management

Alasdair has nine years’ environmental management experience and a Bachelor of Science, majoring in geography and environmental science from Auckland University.

Prior to joining WWL, he managed consenting, environmental, sustainability and heritage issues for Downers and McConnell Dowell
Constructors Ltd on the Auckland City Rail Link (CRL), a project that involved underground tunnelling in a high risk, dense urban environment.

Alasdair’s former experience also includes work on the Te Mihi Geothermal Power Project, Waterview tunnels and a range of smaller tunnelling projects. He also brings eight years’ experience from an early career in the freight industry.


Iain Lonie

Construction General Manager

Bachelor of Engineering (Civil), Master of Engineering Science (Geotechnical)

Iain is a Chartered Professional Engineer (Aus) and a Registered Professional Engineer of Queensland. He holds a Bachelor of Engineering (Civil) from University of Auckland and a Master of Engineering Science (Geotechnical) from the University of New South Wales.

Iain has a background in dams, tailings and geotechnical engineering, in a variety of locations, including New Zealand, Australia and South East Asia. His experience includes, the feasibility, preliminary and detailed design of greenfield dams’ projects and the assessment, design and construction of dam upgrades. He gained his expertise working in design and construction roles at GHD and most recently as Dams Team Leader for the Snowy Mountains Engineering Corporation (SMEC) in Queensland.