Our Team


NZ Grinders consists of talented people who helped make the company what it is today.

Head and shoulder portrait of Glen strongman


NZ Grinders, Owner, Managing Director

Glen Strongman’s background is in the marine industry in both engineering and construction.  He took over the business at NZ Grinders in 2021 and is carrying on the vision of high quality work and going the extra mile for his customers – to make sure you get the result you want within your time frame and to your budget.

Mobile 021-434-199

Head and shoulder portrait of Andrew Teasdale


General Manager North Island

Andrew began his career with NZ Grinders in 2020 after emigrating from South Africa with his family in 2020.  He brought with him an extensive background in running his own business in the industry, and is a specialist in epoxy floor coatings. He is the go-to person for thinking outside of the box and problem solving

Mobile: 027-543-2051


South Island Managing Director

Mike is based in the beautiful Wakatipu basin and has overseen the finishing of many top-end home polished concrete floor choices in the Queenstown-Lakes area. He has an extensive working knowledge of the local aggregate and how to get the look you desire in your build – from concrete pouring to completion.

Mobile: 027-281-8815

Head and shoulder portrait of Ian Humble


Sales Manager

Ian’s working life has focused on sales. He joined NZ Grinders in 2017. Customer service and follow up is his priority to ensure you are 100% happy with your new floor.

Mobile: 021-434-575



Scott is passionate about concrete grinding and polishing and there’s not much he doesn’t know about the industry.  A keen problem solver he is the go-to man for any jobs that require creative thinking

Woman with hair in pony tail wearing glasses


Account Manager

A qualified Accountant, Trish joined NZ Grinders in 2022, and comes from a background of teaching at tertiary level and running her own business.

Concrete polishing and grinding specialists