Our People

David Welsh

General Manager

David, Winstone Aggregate’s General Manager, has over a decade of general management experience in manufacturing, processing and natural resource businesses both in New Zealand and internationally.

David joined Winstone aggregates in 2018 and has been with Fletcher building since 2015 including time as General Manager of Iplex Pipelines and Dimond Roofing. Prior to that David held general management positions in the United Kingdom and New Zealand in the seafood industry.

David has a passion for creating value for customers and partners, for developing leadership opportunities for the Winstone team and contributing to the next phase of the amazing 150+ year old Winstone Aggregate story.

David Morgan

Major Projects Bid Manager

A part of Winstone Aggregates since 2006, David has worked across the country in laboratories, technical support and sales positions. His current role brings together the different capabilities of our business to provide solution across New Zealand.

Danny Wyatt

National Laboratories and Quality Manager

Danny has been with Winstone Aggregates since 2010 and leads the laboratory team based out of Auckland, Waikato, Wellington & Christchurch.

Barry Bidlake

National Sales Manager

With over 15 years Senior leadership experience in sales. Barry has been with Winstone Aggregates since 2015.

Barry oversees quarry sales for Waikato South & has a strong focus on customer satisfaction with his sales team.

Arlene Price

Human Resources Manager

Arlene has worked within the Fletcher Building Group over since 2015 and was most recently with Golden Bay Cement. Her expertise is in developing and delivering the HR strategic direction of businesses to drive long-term commercial outcomes by transforming performance, capability and culture

Anya Hardy

Health & Safety Manager

Anya has been with Fletcher Building for 10 years and working within the Winstone Aggregates business unit since 2015. Responsible for the effective implementation of our Health & Safety system and strategies for creating a safe culture on our sites.

Mark McKenzie

National Quarries Manager

For over 25 years an experienced and innovative manager delivering successful business outcomes in the quarrying and mining sectors in New Zealand and Australia.

Lee Thorburn

Head of Transport

Lee has been with Winstone Aggregates since 2015, during this time Lee has lead the national supply chain and transport teams of GBCWinstone and now Winstone Aggregates.

Ian Wallace

Environmental Manager

Ian has held a number of environmental / resource management roles and has over ten years’ experience delivering large scale resource consent projects.

Ian has been with the Winstone Aggregates for a number of years and leads a team of highly skilled and experienced environmental experts in the areas of Planning, Consenting & Compliance.