Meet The Team

Damian Linley

Managing Director

As the founder of QDOS, Damian has nearly 25 years of experience in the industry, with the task of increasing and constantly improving the products and services to offer support and advice to our ever-growing list of loyal customers.


Damian joined the industry in 1996 as a trainee CAD Operator at Shorrock Fire, continuing his development through system design to Operations Manager based in Leeds, to finally starting QDOS in 2009. Damian has extensive knowledge of British Standards for fire alarm systems and provides a friendly, professional attitude to all clients on all jobs.

Gavin Linley 

Operations Director

Following a 15 year career in law with Walker Morris LLP, Gavin joined QDOS in 2014. Gavin’s appointment allowed the company to continue significant growth within the industry. He’s overseen the company growth sevenfold in the last six years offering the industry-leading products and services QDOS has become renowned for.

As the company’s Operations Director, Gavin is the account manager for all our valuable customers and the face you’ll see at industry exhibitions nationwide.

Mark Ellse

General Manager

Joining the team in September 2020, Mark brings over 20 years of experience within the fire industry. A former Initial Fire employee, Mark entered the industry in 1998 and has become a well-respected fire designer and General Manager.

Tasked with the day-to-day management of all aspects of QDOS, Mark is responsible for all staff development and leading the fire system design consultancy services.


Maria Siddall

Business Manager

With an attentive frame of mind and thorough planning skills, Maria manages our day-to-day business. From coordinating the project schedule to looking after day-to-day account queries, Maria continues to uphold QDOS’s excellent level of customer service.

Over the last 4 years, Maria has gained valuable experience in managing teams and diary management, ensuring compliance was met throughout. Come 2019 Maria joined QDOS and continues to build our ever-growing loyal customer base.

Joe Turner

Production Manager

Ready to handle any challenge that comes his way, Joe manages production at QDOS. From in house production to our manufacturing partners, Joe guarantees our excellence in everything we do.

Originally an IT Assistant/Trainee CAD Operator, Joe quickly developed and became Production Manager in 2019. From the design of your Escape Plans to the compliance of all projects, Joe approaches his tasks with a professional approach and self-assured attitude.

Craig Slaven

CAD Team Manager

A Highly motivated individual with a keen eye for detail, Craig manages the CAD team. Whether it be schedule supervising or communicating with our customers, Craig keeps QDOS consistent on quality and quick turnaround times.

Once a Trainee CAD Operator Apprentice, Craig joined QDOS in 2014 and ever since has brought consistent professionalism to his work. He takes charge in specialty jobs, as well as larger projects.


Amy Wallace

Marketing Assistant

After gaining her degree in Film and Television Production, Amy joined QDOS in 2019. Tasked with widening the reach of QDOS, through an effective and constantly updated website as well as an active and responsive social media presence.

#professional #teamplayer #friendly

Dave G.jpg

David Greenwood

Associate Fire Systems Designer

A highly experienced and knowledgeable fire systems professional, David completes and advises on fire system designs ensuring compliance with BS5839-1.

David is very well respected in the industry, known by many fire professionals and manufacturers for both his extensive knowledge and friendly personality.

Ben Fox

Senior CAD Operator/

Fire Systems Designer

Very well organised with a crucial attention to detail, Ben has become a specialist on the larger projects at QDOS. No matter how big the job, Ben delivers each design to the utmost quality with the knowledge of British Standards in mind.

Eager to further develop his fire safety career, Ben has recently completed his AO Level 3, ready to help grow our BAFE accredited fire design consultancy service.

Lewis Wright

Senior CAD Operator

Another member with diligence to his work, Lewis supports the team with all day-to-day tasks to keep our service levels high.


Starting as a CAD Operator Apprentice in 2017, Lewis soon became adapt to the work ethic of QDOS, furthering the quality and compliance of our work. More recently, Lewis has been in charge of designing Premises Information Plates (PIPs).

Joshua O'Sullivan

CAD Operator

Josh joined QDOS in 2019 and is already a key member of our ever-growing team of CAD experts.


With a rising knowledge in zone plans, as fitted jobs and more, Josh is on his way to becoming a strong CAD Operator.

Hal Livesey

Trainee CAD Operator

One of our newest trainees here at QDOS, Hal is developing his skills day by day through creating zone plans and as fitted drawings.

Since starting in September 2019, Hal has been adaptable to work and willing to learn wherever he can, which has been key to his progression with and for QDOS.