About Us


The management team at Datum Projects has a legacy of experience and knowledge of the industry. Founder, Seth Gleeson, has specialised in retail and commercial fit-outs for over 20 years. The diverse range of skills across the team also means that Datum Projects can offer a full service solution and provide expert advice on all areas of the fit-out process.

Datum Projects has already experienced rapid growth and is well on track to becoming a major player in the industry nationwide. Having developed a large network of staff and contractors across the country, the team at Datum Projects are able to get your job done efficiently, no matter how big or small.


To understand more about us, take a look at Datum Projects’ foundation values, that we all live and work by.


Datum is an approachable company with excellent after-care service, which values repeat business. We believe the complicated fit-out process can be stress-free.

On Time

In our industry, being on time is crucial. Datum recognises this and will always work to achieve our clients’ deadline.


Datum prides itself on the highest levels of quality in all of our fit-outs, nationwide


Datum understands that our clients’ fit-outs are constrained by external factors. We pride ourselves on our flexibility and nimble, ‘can do’ attitude.

Follow Up

We know that, with any fit-out, there are additional works to be carried out post-completion. Our dedicated maintenance team strive to achieve a timely close out.



With over two decades in the industry, Seth has worked with some of Europe and Australasia’s most prominent retailers on his way to forming the formidable team at Datum. Following in his father’s footsteps in owning a shopfitting company, Seth oversees all project delivery – bringing a calm demeanour and top-notch problem solving to a fast-paced industry.

Seth Gleeson


With over two decades of prior experience in project management, Alan joined Datum in 2014. As though managing a number of projects at any one time and facilitating the teams that make these projects happen wasn’t enough, Alan’s experienced and unique touch includes an impeccable eye for detail and a commitment to quality.

Alan Greenwood

Project Director

Sing has spent eight years immersed in the fit out industry, sharing that time between construction and retail. Although she has worked in full project manager roles in Malaysia, she’s focusing exclusively on the quantity surveyor aspect at Datum. This broad experience means Sing is great at analysing both the bigger picture and the smaller details.

Sing Hui Yong

Quantity Surveyor

Michelle is one of the newest members of the Datum family, having relocated in mid-2018 from Johannesburg. Michelle has been in the business and retail fit out industry for ten years now and is loving the culture and work ethos at Datum. As a project manager, Michelle prides herself on her resilience and resourcefulness – attributes developed back home in South Africa.

Michelle Parkinson

Project Manager

Starting as a cabinetmaker and joiner in the 1980s, Paul moved to residential building before finding his passion in shopfitting more than two decades ago. With Datum since 2014, Paul oversees everything produced in the factory – including scheduling, purchasing, design, construction, and logistics – and thrives on the challenge of short lead times.

Paul Rice

Production Manager

Joining the team in mid 2017 to run the factory, Mark’s spent over 20 years in the industry. Mark particularly enjoys innovating and finding fit-for-purpose solutions, and he’s driven by a desire for constant improvement, whether that be through training staff or streamlining our processes for even better customer delivery.

Mark Goodwin

Factory Manager

Joining the team when Datum set up its first factory, Barry’s responsible for the maintenance and remedial aspects of the work we do. Basically, it’s Barry’s job to make sure that everything we do is awesome, and stays that way long-term – and his communication skills and emphasis on perfectionism are second to none.

Barry Gill

Maintenance Manager

With more than 15 years’ experience and a real passion for health and safety, Tee is responsible for upholding our value of ‘safety first’. Coordinating onsite audits and meetings, first aid training, and all of our certifications, Tee takes our approach to health and safety standards beyond ‘just’ compliance.

Toaga (Tee) Taula

Health & Safety Manager

Since 2012, Peter has been our ‘go-to-guy’. You could call him Head of Procurement, as he’s great at sourcing the extra, odd bits that make up a project. His long career in joinery and shopfitting and wealth of experience mean he has a good eye, an incredible network and excellent problem solving skills.

Peter Bertham

Contract Supervisor

Katrina has droves of financial experience in the engineering industry – including a range of skills and nous that she’s now calling on in her role as our Financial Controller. On a quest to find a company with a great culture and exciting business challenges, Katrina has set up shop with Datum to keep her brain fresh.

Katrina Barrack

Financial Controller

Jo takes care of our people, ensuring that everyone's working together to achieve great things as a team. As our go-to person for anything people-related, Jo is the magic that ensures Datum functions like a well-oiled machine.

Jo Gleeson

Human Resources Manager
Matt, Shane

The ‘devil is in the details’ – and even the grandest project depends on the success of the small components – which is why the role of our detailers is so important. Matt and Shane take concepts and turn them into working drawings ready for manufacturing – fuelling the creative projects Datum is known for.

Matt Sapir & Shane Perham

Jackson copy

As an ex-cabinet maker, Jackson brings a practical approach to detailing – taking the architect’s drawings, formatting them and making them understandable so our team can make them for our clients. Having been with Datum for three years, he’s achieved one of his career goals of becoming a detailer, and loves the family vibe here.

Jackson Tribe


Managing the office and doing the accounts means Ally has her fingers in many pies – and that’s just the way she likes it! Coming from an operations role in a fast-paced sales and marketing agency, she brings her epic multitasking skills and ability to stay cool under pressure to the Datum team.

Ally Timmins

Office Manager & Accounts Administrator

Over 25 years in quantity surveying (across three countries and sectors as diverse as joinery, glass, commercial kitchens, and civil works) has given Alethea a fantastic breadth of experience to bring to Datum Projects. Alethea brings her detail-oriented approach to everything she does, ensuring that every client gets an accurate estimation on their projects in a timely manner.

Alethea Fenton

Senior Quantity Surveyor
Datum Projects

Dave just joined the Datum team as the go-to guy for our project managers, assisting them with admin and freeing them up to do more high level work. Not only does he work with council to apply for consents and certificates, he's also our resident project management system expert. Currently studying towards a construction management diploma, he looks forward to building his career with Datum.

Dave Wilson

Project Coordinator