Wall Street 50 – 2010

James O’Sullivan/MF Global

James “Jim” O’Sullivan is chief economist of MF Global, a financial services firm. He forecasts and analyzes macroeconomic developments and policy actions driving financial markets. He authors Macro for Markets, a weekly publication on the U.S. economy. Prior to joining MF Global in 2009, Jim was a managing director at UBS. He began his career at J.P. Morgan. Jim has been ranked as one of the top three economists in the Institutional Investor survey of U.S. fixed-income investors in each of the past five years, including first place in 2005, 2007, and 2008. He was named “Forecaster of the Year” in 2006 and 2008 by MarketWatch.

Born in New York, Jim grew up in Co. Offaly. His father is from Abbeyfeale in Limerick and his mother from Drimoleague in Cork. Jim holds a BA in economics from Trinity College Dublin, where he earned the distinction of scholar. He also earned an MA in economics from Queen’s University in Ontario. He lives in Manhattan with his Offaly-born wife, Margaret Molloy, a marketing executive, and their sons, Finn and Emmet.