Date of Birth: 
About Brendan O'Leary
- Brendan O'Leary (born 19 March 1958) is an Irish political scientist, who is Lauder Professor of Political Science at the University of Pennsylvania.
- He was formerly a professor at the London School of Economics.
- In 2009–10 he was the second Senior Advisor on Power-Sharing in the Standby Team of the Mediation Support Unit of the Department of Political Affairs of the United Nations.
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