Meet Our Team
Obelisk boasts an experienced and highly skilled leadership team leading our global workforce to deliver world-class quality engineering services and solutions for our clients.
Ronnie is an experienced leader with over 15 years’ experience across several sectors, including telecommunications, manufacturing and FMCG industries.
Formerly Obelisk’s Chief Financial Officer, Ronnie led the organisation to improve cash performance, financial controls and profitability. Most recently, Ronnie also oversaw Obelisk’s acquisition by Constructel Visabeira, growing the business to become an international leader in the telecommunications and energy infrastructure sectors.
Ronnie is a fellow of the Association of Chartered Certified Accountants and holds a certificate in Advanced Leadership from the Timoney Leadership Institute.
Ronnie believes in living our core values and ensuring Obelisk delivers on our mission and vision in a safe and responsible manner for the benefit of all our people, stakeholders, communities and planet.
John Cullen has over 20 years’ experience in various senior operational roles in the telecommunications and utility industry.
He has worked with several blue-chip clients during his career, with a strong operational focus to deliver projects on time and to the highest standards. With a proven track record and safety, quality, delivery and efficiencies are the key drivers to John’s operational success.
John holds a bachelor’s degree in Business Management with First Class Honours, Lean Six Sigma Yellow and Green Belt and an Advanced Diploma in Project Management.
John also heads up Obelisk’s Executive Team, leading our global workforce to deliver high quality service and solutions.
Claire has worked in the IT industry for over 20 years in a wide range of roles spanning software and hardware support, development and implementation, as well as management.
As IT Director at Obelisk, Claire is responsible for leading the IT Department in the planning, development, security and maintenance of Information, Communication and Technology across multiple countries. She is a champion of the latest technology and systems in all departments to drive processes and efficiencies across the company.
Before coming to Obelisk, Claire worked in educational and multinational organisations and holds an Honours B. Sc. in Computer Science.
Lorna has over 17 years of experience in a variety of finance roles across several industries, including manufacturing, hospitality and financial services. She joined Obelisk’s executive team and was promoted to Head of Finance in May 2022.
With an Honours degree in Accounting and Business Management, Lorna is passionate about the continuous improvement and process enhancement of Obelisk, and practices strong leadership to embed solid financial controls.
Finbarr has over 20 years of experience working in the telecommunications industry. Having graduated from Cork ITC with a diploma in Electromechanical Engineering, Finbarr joined Obelisk in 1997 as a trainee rigger. He went on to work in various roles including rigging, engineering, project management and account management, leading to his current role as Head of Operations.
He is currently responsible for the daily operational duties of the Irish business and ensuring each account is exceeding project expectations and needs with our blue-chip clients.
