Sunday 22 April 2018

O'Donnell (50) turned Clonmel-based Kentz from a troubled niche engineering group into a global player in the oil-services sector. He floated the company on the stock markets in 2007 and then headed for the hills four year later.

The Limerick-based engineer sold €15m shares at the IPO, and when the company was sold two years ago, he'll have netted about €51m more. O'Donnell's MacX3 firm manages investments in "high-potential start-up companies, equity and bond portfolios, emerging market funds, structured products and property", according to its blurb.

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