Former Sullivan & Cromwell Partner Allegedly Failed to File Returns and Pay Tax on $10.8M in Income

A former mergers and acquisitions partner at Sullivan & Cromwell has been criminally charged for allegedly failing to file returns and pay federal tax on almost $10.8 million in income he earned at the firm between 2001 and 2008. John O’Brien is accused of spending money he should have used to pay his tax on a vacation home, travel and a $3 million rare books business investment, reports the New York Law Journal. The article says O’Brien owes more than $2.5 million in personal income tax and is expected to take a plea in the misdemeanor case. He was charged today in the Southern District…