Sisk gains new Regional Director for Data Centre Growth

Who is John Hennessy? John Sisk & Son appoints a new Regional Director to lead its data centre division, with the company hoping to grow across Europe

Leading engineering and construction company John Sisk & Son (also known as Sisk) appoints John Hennessy as Regional Director of its data centre division.

With nearly 40 years of experience in delivering complex projects in the UK, Ireland and across Europe, Hennessy has a wealth of knowledge and has held executive and senior leadership positions for three decades.

Hennessy joins the company from leading data centre company STACK Infrastructure, where he served as Construction Director EMEA. Here, he held responsibility for delivering ground-breaking data centre projects across Europe, including sites in Norway, Sweden, Denmark, Germany, Switzerland and Italy.

He also worked as Senior Construction Director for NTT Global Data Centers in the EMEA region.

Serving an ever-evolving data centre market

Sisk is an innovative construction and engineering business with long-term visions that seek to expand its operations across the UK, Ireland and mainland Europe. Its projects span sectors such as data and technology, semiconductors, infrastructure, healthcare, industrial and energy, to name a few.

Currently, the company is seeking to invest further into its data centre strategy, having entered the sector in the 1980s. Seeking to make good on its existing customer relationships, Sisk is already designing facilities using green technology innovations to make operations more energy efficient.

Sisk has also implemented a DPD strategy, from site mobilisation to final handover, on all its data centre projects and continues to work to transform large scale data centre sites. As a result, Hennessy will be able to harness his extensive data centre background to help Sisk better reap the benefits of site construction.

“We are pleased to welcome John to our team as we look to expand our data centre delivery and meet the needs of our clients across Ireland, UK and Europe,” says Owen Sisk, Managing Director, Data Centres at Sisk. “John brings a wealth of experience across all geographies in the Data Centre sector and his appointment is timely given that we are seeing substantial growth with a strong pipeline of projects.”

The data centre industry is currently experiencing a global overhaul in its digital transformation strategies, with companies seeking to meet rising customer demand in an age of AI. As a result, data centre companies are having to utilise more energy to progress, which is taking a toll on their carbon footprint. 

With this in mind, organisations like Sisk are needing to develop and improve their sustainability guidelines and energy use - so that they can better capitalise on technology advancement and keep pace with competitors, whilst ensuring that their global footprint does not rapidly increase.

John Hennessy says: “Having worked closely with Sisk in the past, the business has a really strong capability and expertise, and I can see great opportunities for Sisk to develop further in the Data Centres sector across Ireland, UK and Europe. I’m really looking forward to helping the team and I’ll be continuing to help build trusted relationships with our clients.”


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