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This content is provided by Shawn R O'Brien
Shawn O'Brien is a Tax Controversy and Transfer Pricing partner at Mayer Brown. Shawn represents clients in all types of tax disputes with taxing authorities on international, federal and state levels. He routinely advises clients on complex tax issues during tax examinations, in administrative appeals and as an advocate in trial and appellate litigation. Shawn’s tax practice spans several industries with a particular focus on tax issues facing the energy industry. Shawn served on the Internal Revenue Service Advisory Council (IRSAC) where he was a member of the Large Business & International (LB&I) subcommittee.