Michael O’Neill is an experienced financial services executive who has led major financial institutions in the United States and elsewhere. He has a formidable reputation for turning around businesses that were experiencing difficulties and in need of restructuring.  According to bankdirector.com, O’Neill is “one of banking’s most successful turnaround artists”. 

He is also a former Birkbeck student, moving back to London in the mid 2000s juggling evening classes to study the history of Early Modern Europe. 

Career highlights include being Chief Financial Officer of the Continental Bank Corporation in Chicago (1993-1995), Vice Chairman and Chief Financial Officer of the Bank of America in San Francisco (1995-1998), Chief Executive Officer of Barclays PLC (1999), and Chairman and Chief Executive Officer of Bank of Hawaii Corporation in Honolulu (2000-2004).  

He joined the Board of Directors of Citigroup in New York to help lead Citigroup through the Great Financial Crisis. Citi is the leading global bank, with around 200 million customer accounts. It does business in more than 160 countries and jurisdictions. From 2012 to 2018, O’Neill served as Chairman of the Board of Directors of Citigroup.