Our Team
Experienced people. Proven expertise.
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

John Kelly
Finance Director
John Kelly brings his experience and knowledge to the financial and commercial management of Data Structures. As Finance Director, he supports the company's financial planning, commercial decision-making and long-term business development, helping to provide a strong foundation for Data Structures' continued growth across Ireland and the UK.

Graham Akroyd
Managing Director / Partner
Graham Akroyd is Managing Director and Partner at Data Structures, with a strong focus on the company's strategic development and growth. His work spans renewable energy and telecommunications infrastructure, with particular expertise in wind measurement, met mast and LiDAR solutions. Graham remains closely involved in project delivery and client relationships, supporting Data Structures' continued expansion across Ireland and the UK.

Bartosz Nahajowski
Director of Operations
Bartosz Nahajowski brings significant experience in telecommunications infrastructure and network builds to Data Structures. As Director of Operations, he supports the company's expanding operations across Ireland and the UK, with a focus on operational delivery, project coordination and the continued development of Data Structures' telecommunications infrastructure capabilities.

Mick Martyn
Specialist Consultant
Mick Martyn brings decades of industry experience to Data Structures, with specialist knowledge spanning telecommunications, broadcast and renewable energy infrastructure. Now working as a Specialist Consultant, Mick continues to provide valuable technical and practical insight across projects, supporting the Data Structures team with his extensive industry knowledge and experience in complex infrastructure delivery.
Experience You Can Build On
With more than two decades of experience and thousands of completed projects, Data Structures combines specialist engineering knowledge with practical experience in the field.
Whether we're delivering a 120m met mast, a multi-user telecoms tower or a complex site installation, our teams bring the expertise required to deliver safely, efficiently and reliably across Ireland and the UK.
Talk to our team about your next project.

