Our Vision and Goals

Smart Monitoring

GDS has worked closely with international manufacturers to bring New Zealand a complete and reliable data logging solutions to the Geotechnical, Environmental, Structural, Mining and Agricultural sectors.

Efficient Testing

GDS provides Geotechnical CPT subsoil testing services available to New Zealand Geotech consultancies.
With decades of combined experience in providing CPT data analysis for clients for major projects all over…

Reliable Data

To ensure that your data is reliable, GDS provides you with the option of a complete in-house installation service and a “turn key” solution. This enables us to control costs and maintain your data quality…

Leadership Team

We look forward to working with you and your wider team.

Iain Mackay

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Iain Mackay

Iain has a raft of experience within the building and civil construction industry and geotechnical industry dating back over the past 20 years. Qualifications in both mechanical engineering and civil engineering, and with experience in both New Zealand and overseas, this has given him a sound grounding in engineering. With his broad knowledge and practicable ability, Iain can tackle any problem with ease.

Iain has experience in civil and geotechnical engineering projects ranging in size from small residential lots to large scale subdivisions. With years of experience in geotechnical subsoil testing and analysis ranging from hand augers to multiple deep scale testing Iain has the knowhow to complete any geotechnical testing or install with ease.

Iain is a member of Engineering New Zealand and New Zealand Geotechnical Society. With Iain’s experience and qualifications, he is responsible for subsoil testing operations and installations in both Auckland and Northland.

In his spare time Iain enjoys competing in local and national motocross events as well as enjoying the great outdoors of New Zealand.

Matthew Jacobson

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Matthew Jacobson

As a senior engineer with over 14 years of experience in civil structural and geotechnical engineering in New Zealand, Matt has broad experience across a wide range of project types and sizes. His experience ranges from residential and commercial buildings to land development, infrastructure, and marine.

Having been involved in such a range of projects Matt knows the importance of quality information, be it ground investigation and monitoring to communications, reporting and the quality of geotech data. Matt is currently both a director of GDS New Zealand Ltd and a Team Leader at RS Eng Ltd, based in Whangarei meaning he has current and in-depth working knowledge of what geotech engineers need from their data providers and how that data is applied to real world projects.

Matt is a current member of Engineering New Zealand and the New Zealand Geotechnical Society and is also a member of the Australian Geomechanics Society. The experience Matt brings to GDS means he is responsible for the joint operations of the Auckland and Northland devisions as well as bringing specific expertise to the CPT and Testing sides of the business.

In his own time, Matt is an avid outdoorsman, relishing in time spent in or on the ocean with his family and friends.

Chris Ryan

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Chris Ryan

With a BSc majoring in Computer Science and Systems Analysis, Chris is also a Boeing 737 Airline Captain and ground instructor. His wide ranging experience enables him handle the responsibility for the GDS Data Systems, Technical Operations, Training, SOPs and Health and Safety. Having operated around the world, Chris has developed the experience as a trusted operator, leader and manager and currently works part time for a major international airline.

Chris is always looking to broaden his horizons and in 2018 started his own successful earthworks business from the ground up, applying his skills as a logical and technically able operator. When presented with the opportunity to work with his fellow directors, he turned his unique skills to bringing meaningful change to the Geotech Data Industry. Chris’ experience and natural drive to bring efficiency and safety to the GDS operation, coupled with his growing experience in construction means he is always striving to create solutions that can be relied on by GDS clients to be delivered on time, every time.

As a family man, when not tied up with GDS business or flying across the Tasman, Chris can be found on or in the water, skiing, or tearing up the single track with his family and friends.

Marlon Davids

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Marlon Davids

Marlon has worked for various engineering consultancy companies as an Engineering Geologist. He has over 10 years’ experience, specifically within the geotechnical engineering sector. Marlon’s experience has allowed him to be exposed to various project types and sizes from residential and commercial land development to large NZTA roading projects (NZ wide), the Christchurch earthquake rebuild and the mining sector.

On top of his years of experience, he has found himself coordinating and analysing CPT data for various projects, along with procuring, designing and installing geotechnical instrumentation across a wide range of applications.

Marlon’s consulting and technical knowledge certainly brings a rare level of expertise to our business. His ability to understand the needs within the geotechnical industry from a practical approach, high level of experience, knowledge of GDS telemetry instrumentation, is paramount to our business model and allows projects to move both quickly and autonomously.

In his spare time Marlon is either keeping fit at the gym, spending time with his family or working on his classic cars.

Josh Kendrick

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Josh Kendrick

Josh made his first steps into the geotechnical drilling industry in 2002 after spending 18 months in a fitter turner engineering apprenticeship. Over a total of almost 20 years in the Geotech drilling and Cone penetration testing (CPT) industry, he has since progressed from a fresh faced off-sider through to an operator on tractors, marooka based drill rigs, then into track mounted CPT rigs. His final progression was into a hands-on Operations and Training role in 2012. In this role, he was not only able to work with the team in house but also contractors, engineers, suppliers and manufacturers globally.

Josh has extensive knowledge and experience in CPT and drilling operations, backed up with sound H&S, project and site management experience. Josh gained his DICAT Drilling Certificate in 2007 and the NZQA Mito Level 4 Drilling Certificate in 2020. He has attended multiple CPT conferences including CPT10 in California, CPT14 in Nevada and CPT18 in the Netherlands. He has worked nationally throughout both the north and south islands of New Zealand, as well as travelling to Papua New Guinea, St Kitts and Nevis to conduct portable CPTs.

In his ‘spare’ time Josh enjoys hunting, fishing, riding his motor bike and sharing his passion of these with his wife and two teenage sons.

Get in Touch

    Equipment Rental

    GDS has a variety of instruments for hire, these Instruments, Readouts and Dataloggers are available for product hire on a short-term (fortnightly) or long-term (monthly) basis including, but not limited to, the following:

    • Water Monitoring Loggers
    • Inclinometer Readout units
    • Telemetry Dataloggers
    • Settlement Systems
    • VW Readout units
    • Tiltmeters