Michael E. O'Neill

Michael E. O'Neill
Born (1946-10-31) October 31, 1946
Alma materPrinceton University (B.A.)
University of Virginia (MBA)
OccupationBusiness executive
Known forChairman of Citigroup (2012–2019)

Michael E. O'Neill (born October 31, 1946) is an American business executive. He served as chairman of Citigroup from 2012 to 2019.