Gregory R. Walker is a principal in Ernst & Young LLP's International Tax Services Transactions Practice. Greg concentrates on federal income tax matters, with a special emphasis on cross-border acquisitions, dispositions and restructurings. He also advises clients on a wide range of international tax matters, including Subpart F planning and foreign tax credit planning. Greg joined Ernst & Young as a principal in 2007. Prior to joining the firm, Greg was a partner with McDermott, Will & Emery LLP, where he specialized in international tax matters. Greg received a B.A., with highest honors, from Cedarville College and a J.D. from the University of Michigan Law School. He is a member of the Illinois Bar. Greg is a member of the American Bar Association Section on Taxation and the International Fiscal Association.