11 Wealthiest People in Ireland

4. John Grayken

Net Worth as of June 29: $6.9 billion

John Grayken is the founder and owner of a private equity firm, Lone Star Funds which focuses on real estate investments. Grayken has raised 21 funds since 1995 and swayed $85 billion in committed capital. The assets that the fund buys are managed by Hudson Advisors, a firm that is also owned by Grayken. His advisory firm employs 900 people and manages over $250 billion in assets. He is ranked 4th on our list.