Mary Monahan
Mary Monahan was a Grace parent from 1998-2016 and she and her husband Brian have five children, all Grace alums (Aileen, Erin, Claire, Kathleen and Connor). She chaired the PTO twice and chaired or co-chaired a number of auctions. Mary was last on the board from 2007-2012.
Mary is a partner in Eversheds Sutherland (US) LLP. She brings more than three decades of experience helping businesses navigate complex tax challenges with clarity and confidence. She advises corporations across industries – including insurance, e-commerce, manufacturing, and technology – on strategies that align tax compliance with business objectives while mitigating risk. Her practice spans international tax, where she counsels multinational companies on cross-border transactions, permanent establishment issues, and the implications of evolving global tax rules, including OECD initiatives and U.S. legislation. Mary also guides clients through the intricate requirements of information reporting and withholding for business payments, both domestic and international. In addition, she works extensively with leading insurance companies, investment advisors and insurance purchasers on tax issues related to new product development, insurance-dedicated funds, corporate and bank owned life insurance, and life insurance transactions.
Mary’s deep controversy experience sets her apart. She has represented taxpayers in examinations, appeals, and litigation before the U.S. Tax Court, Court of Federal Claims, District Courts, Courts of Appeals, and the U.S. Supreme Court. In addition, her ability to anticipate regulatory changes and deliver practical, actionable guidance makes her a trusted resource for clients facing high-stakes tax matters.
Mary received her J.D., with high honors, at George Washington University National Law Center; she was Articles Editor, George Washington Law Review, Order of the Coif
A.B., cum laude, Georgetown University






