All our senior Management Team are ex-police or military


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Dave Potts


Dave is one of the most experienced and respected security professionals in the UK with a proven track record of developing contracts and working with some of the biggest blue chip companies across the world.

He had an extensive career in the police, which included CID, firearms and Crime Prevention. He also worked in local government as a Community Safety Manager and was involved in projects which led to the instigation of Police Community Support Officers. He is regularly asked to speak on regional and national radio as an expert in public order.

Dave is passionate about training and the standards of client care in the industry:

“I believe that our methodology of basing all we do around high quality training is going to become key to our continuing success in attracting world class clients to our company – For too many years the industry has failed to inspire staff in this area and effectively taken them for granted, we want to change that for good.”

There are no ivory towers at GSTS and Dave enjoys spending as much time as possible with our frontline operatives.

Andrew Holvey

Operations Director

Operations Director

Andrew joins the business with a wealth of operational and strategic skills built up over a 30 year period in both the military, police service and more recently as a security manager within the NHS at the country’s largest trust where he achieved the accredited security manager’s qualification.

He has been instrumental in making strategic change and has shown the ability to analyse processes and make cost effective changes to improve service delivery.

During his police career he has extensive experience starting in uniform before moving into covert policing, including the Counter Terrorist Unit and crime surveillance teams where he is proud to have worked on numerous high profile cases.

He was also able to build an excellent training portfolio having been a specialist police training instructor for surveillance, informant handling, anti and counter surveillance and intelligence led policing whilst attached to the force training school regularly training at the college of policing.

“I am proud to join a company where the ethos is about raising the skills and abilities in the security industry. I have been on the receiving end as a client of poor service and know how frustrating broken promises are along with poor leadership. I am able to bring my expertise built up over my career and help to shape the industry with GSTS and show clients how a security service should be delivered.”

Gareth Conlon

Operations Manager

Gareth Conlan

Gareth joins GSTS with a wealth of experience in the Security industry, with a proven record of operational service improvement as best demonstrated in his most recent role as a security manager for the largest NHS Trust in the UK.

He started his career in the British Army, which included operational tours of Afghanistan, giving him a solid foundation to his success within the security sector.

Gareth has gained valuable experience in various contracted roles such as a Door Supervisor in Manchester City centre and then Cheshire, where he was quickly promoted to head DS, working on a number of high profile venues.

His talents were again recognised in the Health Care Sector where he was initially appointed as a contract supervisor, then very quickly made up to Team Leader. He then went on to successfully carry out the role as a security manager for the NHS where he was responsible for the operational management of security and car parking teams on several different hospital sites.

“I am passionate about offering our clients the highest possible standard of service and believe the key to GSTS’s continued growth is down to the investment in expert training to all frontline staff. I am excited to work alongside a like-minded, driven team who strive to separate from the mainstream providers by excelling in all aspects of service delivery.”

Stuart Lindsay

HR and Development Manager

Stuart comes to our business with a range of experience and skills all within the Learning and Development sector that will enhance and add value to our business throughout.

Previously he has worked within the Customer Service Sector developing and managing an apprentice program and overseeing all learning within this sector. He developed staff which brought key factors within business; retention and business links, Stuart was Integral to becoming an ambassador for the Liverpool City Region within apprenticeships.

“I am passionate and have a positive outlook to development of not just people within the GSTS family but also our clients, my vision of becoming the number one company within the sector matches that of GSTS Management, I am excited to be joining a loyal team focussed on quality service delivery throughout.”

Tracy Macdonald

Finance Manager

Tracy has an excellent background in finance, having over 17 years knowledge and experience in various sectors. She joined the company last year and has implemented procedures to help the company excel financially.

Tracy is focused on providing a professional financial service to both the company and our clients. She has excellent communication skills and is confident in building relationships with both current and future clients.

“I am delighted to join the GSTS family and grow within the company. Working with the management team, they all share the same desire as me to provide the best service and commitment to grow the company into the best across the country.”

Alex Campbell

Client Relationship Manager (North West)

Alex Campbell, a GSTS employee based in Liverpool providing security services and SIA training across the north west

Alex has spent over 30 years in the Security Industry in various roles and organisations, from the bars and clubs of Liverpool to being part of the Security Team for Cavern City Tours, a world renowned business, where he had responsibility for the security of customers and celebrity clients including Sir Paul McCartney and Hollywood actor Billy Bob Thornton, to sharing the organisation for the security staffing at the annual Mathew Street Festival in Liverpool.

Prior to this, Alex travelled extensively throughout Europe providing security at a number of high profile festivals and events including Roskilde and the Roger Waters concert to celebrate the fall of the Berlin Wall.

In his most recent position, he was a member of the team providing security services to Liverpool John Lennon Airport licensed taxi area as per Liverpool City Council guidelines and LJLA standards. Over the years, Alex has gained a wealth of knowledge in the Security Industry, both customer and client focussed and he prides himself on the working relationships he’s forged along the way.

“I am delighted to be joining such a go ahead company as GSTS, I very much enjoy the front end role of client management as I feel that I am the original people person. The values that GSTS have of putting their front line staff first, really fits my own views, as it is what the security industry has neglected for many years”.

Luke Richardson

Contract Support Manager

Luke Richardson

Luke joined GSTS in 2018 and was quickly made site supervisor at a multi manned NHS contract. He was commended on several occasions by the client and Greater Manchester Police, for how he dealt with problematic and violent individuals. A product of the GSTS Training Academy he has excelled at mentoring new officers and has shown that he has the aptitude and drive to work at a managerial level. During 2019 he has taken responsibility for GSTS contracts in West Yorkshire.

Luke began his career in web design and sales and at one point owned three separate businesses. He decided to enter the security industry as he had enjoyed working on several high profile music events as a steward. He has ambitions to progress further with the GSTS.

“I am looking forward to my new role and progressing further with the company as time goes on. I enjoy the fact that at GSTS we are miles ahead of our local and national competitors and that our clients really see that difference”.

Mark O’Shaughnessy

Employee Assistance Manager

Mark O'Shaugnessy

GSTS is the first security company in the UK to introduce the concept of an Employee Assistance Manager – Mark O’Shaughnessy is our EAM and comes to GSTS following a 30-year career in counselling and social work. Mark’s role is to promote the social, physical, mental health and well-being of all our employees, providing support and motivation to maximise personal potential. Through Mark, GSTS offers a confidential service to all our staff who can contact Mark in strict confidence to discuss any personal issues which could include: relationship difficulties, bereavement or loss, depression, managing change and transition, anxiety or any stress which is interfering with the ability to function effectively at work or home. Mark is relishing his new position:

“I am very proud to join a company which puts the interests and welfare of its frontline staff at the forefront of all they do. GSTS recognises that personal issues can often affect attitude and performance. The GSTS management team through their combined military experiences have themselves often been in very demanding and stressful situations and they recognise the importance of talking issues through with someone who can give professional assistance and advice”.

José Luis Sevilla Camins

Client Relationship Manager

José Luis Sevilla Camins at GSTS security and sia training

José spent twelve years as an officer in the Guardia Civil, the national Spanish police force where he underwent intensive training, including drugs surveillance, public order and counter terrorism. His last posting was in Madrid’s elite crowd control department.  Since moving to the UK with his family, José has qualified as an SIA door supervisor, and latterly as a Close Protection Officer.

He has considerable experience in working in the high-end retail sector and has been commended several times by clients and the police for his interventions to break up organised shop lifting gangs targeting luxury goods. José is committed to continuing professional development and has recently commenced GSTS’s Behavioural Analysis advanced training programme. His Close Protection and language skills have meant that he has also been used as an advisor to several high profile Spanish speaking sports and film personalities. José relishes his time living and working in Liverpool and states that his favourite meal is now a full English breakfast. He has quickly become an important part of the GSTS Team:

“With an emphasis on our senior team having police and military backgrounds, I feel that my time as a police officer in Spain fits in very well. We have always had a problem with organised criminal gangs and my experience has taught me to know how these thieves think and operate.”

Olivia Kelly

Administration Assistant

Olivia Kelly

I came to GSTS on a Traineeship with little work experience, during my time as trainee I learned so much from all the team; from organising my day and tasks to how I communicate with clients and partners. All the team have helped within my job role and made me feel very welcome. I have progressed onto a Business and Administration qualification and I am excited to be learning new skills and knowledge.

“I am grateful to GSTS for investing in me and providing me with employment and learning within the business, I want to continue to learn and keep progressing within my role. I am keen to develop the same values that the GSTS family have within the business. Passion for a quality service, integrity in all I do.”

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