ZeroOne, a specialist MEP consultancy dedicated exclusively to the data centre industry, is delighted to announce the appointment of Stephen Byrne as Chief Operating Officer (COO)

This strategic move reinforces ZeroOne’s commitment to delivering world-class engineering and consultancy services for hyperscale and co-location data centre clients throughout EMEA.

ZeroOnes Stephen Byrne COO Donal Dunlop CCO and Conor McGinn CEO

Stephen Byrne, COO; Donal Dunlop, CCO; and Conor McGinn, CEO

Stephen is widely recognised as one of Europe’s leading electrical engineers in the data centre sector. With 20 years of industry experience and over 1,500 MW of data centre projects designed, Stephen has worked extensively with hyperscalers, co-location providers, and general contractors. He has a proven track record of developing industry leading teams in the sector.

His appointment as COO marks a significant milestone in ZeroOne’s growth trajectory. Stephen joins co-founders Conor McGinn (Chief Executive Officer) and Donal Dunlop (Chief Commercial Officer), who bring a unique blend of engineering expertise and business strategy to the company.

McGinn, a fellow of ACEI and Chartered Engineer with Engineers Ireland, has held previous roles at Mercury Engineering, Kirby Group, and Ethos Engineering. His career spans the design and construction of complex facilities across pharmaceutical, healthcare, and data centre sectors. Dunlop, a fellow Chartered Accountant and recognised management consultant, brings extensive experience in commercial, strategy, finance and programme management, having worked across various sectors including construction, utilities, manufacturing, technology and mission critical.

Speaking on his appointment, Stephen said: “I’m delighted to be joining ZeroOne at such a pivotal stage in its growth. The company has a clear vision and a strong technical foundation, and I look forward to working with Conor, Donal and the wider team to scale our MEP design and delivery capability. ZeroOne’s strategic focus on the data centre sector, combined with its commitment to engineering excellence, presents a unique opportunity to help clients deliver technically superior, resilient, future-ready infrastructure across EMEA.”

“Stephen’s appointment as COO strengthens our leadership team and positions ZeroOne to set a new benchmark for excellence in the data centre industry. His proven track record and deep technical expertise will be instrumental as we scale and innovate in one of the fastest-growing sectors globally.” said Conor McGinn, CEO of ZeroOne.

With a team of strategically sourced specialist capabilities, ZeroOne is primed for rapid growth and committed to shaping the future of data centre design, engineering, and delivery.


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For more information visit https://www.zeroone.ie/