F5's Donnchadh Casey dispels the fears and explains the potential in AI
Series 2 of Business Plus Talks, produced in association with Philip Lee LLP, opens with a conversation on artificial intelligence featuring Donnchadh Casey.
Casey joined F5 following its acquisition of CalypsoAI last year.
The deal, reportedly worth $180m, has seen F5 integrate CalypsoAI’s security capabilities, including real-time threat defence, red-teaming tests and data protection, into its Application Delivery and Security Platform, as part of its ambition to build what it calls the “most complete solution for securing AI inference”.
Known for his ability to stay composed in high-pressure environments, Casey reflects on the leadership challenge of maintaining confidence when the stakes are high. As he puts it: “You have to appear calm, particularly if you’ve got your hand on the tiller.”
A former student at University College Dublin, Casey spent more than a decade working as an engineer across multiple companies and projects.
Over time, he realised he was drawn to initiatives where results could be seen quickly, rather than projects that might take years to deliver.
Among those earlier experiences were Ireland’s proposed transport developments, including Metro North and Metro West.
Reflecting on those efforts, Casey recalls the frustration of working on projects that ultimately stalled, including Metro North, described as “a €6.5bn project that never happened”.
The repeated setbacks, he says, were “sole destroying” when funding challenges or political interference halted progress.
The conversation also explores the rapidly expanding role of artificial intelligence in business.
Rather than focusing solely on the risks, Casey emphasises the scale of opportunity the technology presents, while acknowledging the disruption it will bring.
Asked whether there is reason to fear AI, he says: “Yes, but the fear isn’t necessarily the Terminator type situation.
“It’s the there will be people who need to be retrained, there will be jobs that become obsolete. There will be businesses that become completely redundant in terms of what they do and people need to be gearing up for that right now.”
To illustrate the potential transformation ahead, Casey compares AI to the early days of electricity: “When electricity was invented you kind of knew that there would be lights and everything else, but what you didn’t know about were all the follow-on industries that would come afterwards.
“Somebody invented a fridge and because of the fridge, Coca-Cola could be kept cold and then loads of different foods [were impacted], and so you have spin-offs and spin-offs and then you have computers… but when electricity is invented, it’s very hard to see all of this.”
For Casey, businesses that fail to adapt risk being left behind. As he puts it: “In 10 years time there will be two types of companies, the companies that are AI centric and the companies that don’t exist anymore.”
The episode offers not only an insight into Casey’s career journey but also a clear-eyed perspective on where AI is heading and the pace at which it is reshaping the business landscape.
Donnachadh Casey is the first guest of series 2.
Casey is the first guest on the second series of the Business Plus Talks podcast, in association with Philip Lee LLP.
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