Don Duffy is engaged in a broad domestic and international tax practice. He represents U.S. and foreign clients with respect to transactions, investments, and business activities in the U.S. and abroad, including with respect to mergers and acquisitions, joint ventures, public offerings of equity and debt securities, private equity and debt financings, and restructurings and international transfer pricing. Don also devotes a significant amount of his time in representing clients in controversies with the IRS in examinations, appeals, and cases before the U.S. Tax Court.