Our Team
Experience You Can Build On.
At Data Structures, our strength comes from the experience and technical expertise of our people.
Since 1998, our team has delivered complex mast, tower and wind measurement projects across Ireland and the UK. From project management and engineering through to construction, installation and operations, our in-house team brings practical knowledge and specialist expertise to every project.
Our continued investment in people and leadership supports our commitment to safe, efficient and technically robust project delivery.
Leadership Team
Managing Director / Partner
Graham is our Managing Director who joined us in 2022 with an ambition to build a company, starting with a strong reputation for innovation, reliability, and safety.
Graham's initial focus was on introducing efficiencies, upskilling, and management processes.
With a class leading support team behind him, Graham's focus is on the company's strategic development and bringing new innovation in mast & tower infrastructure solutions to our clients across Ireland & the UK.
John Kelly
Finance Director
John (JK) is our Finance Director who originally founded the company in 1998.
Having built and run the company for 24 years, John always had a passion for financial management and in 2022 he became Finance Director, in order to concentrate on investing in the company's growth and long term business development.
Bartosz Nahajowski
Director of Operations
Bartosz is a recent addition to our management team, bringing with him a wealth of experience in telecommunications infrastructure design, network builds and project management.
As our Director of Operations his focus is on the attention to detail required to design best in class infrastructure projects - managing the process from concept to completion.
Mick Martyn
Specialist Consultant
Mick is our Specialist Consultant expert who joined us in 2018 as part of our merger with SLX Mast Structures Limited.
With over 45-years' experience and over 3000 structure deliveries successfully completed, his wealth of knowledge continues to support our ongoing growth with valuable technical & practical insight.
Talk to our team about your next project.