Meet the Team - Wellington



12 Gover Street, Ngauranga
Wellington 6035
PO Box 38533
Wellington Mail Center 5045

04 4995915




Koa Martel  

General Manager 

04 499 5915 

021 241 0121

Koa’s extensive experience in business management extends from everything including engineering companies to large medical practices. She specialises in the financial control of large projects, making her a perfect fit for managing T&R. Responsible for the day-to-day running of the business, Koa strives to maintain a company that supports both clients and employees.




Natasha (Tash) Thwaite 

Office Manager 

04 499 5915 

027 724 1189

Tash embodies T&R's positive spirit and family values. T&R relies on Tash's diligence, organisation, and sharp sense of humour.





Hedda Landreth (Oosterhoff)

National Architectural Manager & Acoustic Specialist (MArch (academic), BMus)

021 270 1599

Hedda works with architects across the Wellington region, helps with acoustic design and is part of producing and delivering T&R's Seminar Series and eBooks.

With a background in architecture and classical performance violin, T&R allows her to combine her two professions in order to educate the New Zealand design industry on the importance of interior acoustics and the design implications. For Hedda, the company environment at T&R sets it apart from the rest, “I like that it is New Zealand owned and service driven, we have a mission to provide solutions.”

In her spare time, Hedda enjoys playing the electric violin in a band, horse riding and walking her dog.  




Alister Stubbe

Architectural Consultant (MBSc)

021 248 6947

Alister is an Architectural Consultant at the Wellington branch of T&R. He works alongside architects and designers to provide recommendations and solutions for commercial acoustic and seismic ceiling design.

Alister studied building science at the Victoria University School of Architecture and Design, learning about building design and the impact this will have on the people using it. Having completed his Master’s degree of Building Science, Alister aims to use these resources to deliver excellent interior design solutions.

He enjoys spending his time listening to podcasts, reading, and baking. He has been known to get somewhat passionate about rugby.




Jessica Li

Administration (BCom)

04 499 5915 






Holly Wright

Graphics and Administration (BDes)

04 499 5915

Holly is responsible for T&R's graphic design, website maintenance and administration. 




Mike Bentley

Sales Manager, Lower North Island

04 499 5915 

021 599 454





Ben Chapman-White

Wellington Warehouse Services Manager 

04 499 5915 

021 222 1537




Kerrin Auld

Customer Service - Warehouse & Logistics 

04 499 5915 

021 190 3841







Stephen Thwaite


021 246 0966 

Koa Martel

General Manager

021 2410 121 

Natasha Thwaite

Office Manager

027 724 1189 

Jessica Li


04 499 5915 





  Daiken CBI Gridlux
© 2020 T&R Interior Systems | Site by 3Rings