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Pat McDonagh
Internet
Rank 2017
45=
Worth
€271m
Rise/fall
€2m
The 65-year-old former north Dublin teacher made three fortunes, which we estimate at €207m, from share sales in e-learning firms Riverdeep, SmartForce and ThirdForce. The Meath-based serial entrepreneur has reinvested in technology-related companies, including the video software company Digisoft. He has small stakes in Dublin’s Radio Nova and the Joe Duffy car dealership and owns several Irish farms.