Mr. Rosen is a partner in the law firm of McDermott Will & Emery, where his practice focuses on tax planning and litigation relating to state and local tax matters. He has served as the Deputy Counsel to the New York State Department of Taxation and Finance, Tax Counsel to the New York State Senate Tax Committee and Counsel to the N.Y. Governor's Temporary Sales Tax Commission. Mr. Rosen has held executive tax management positions at Xerox Corp. and AT&T. Mr. Rosen holds leadership positions in professional tax organizations including the New York State Bar Association tax section, the NYU Tax Society, and the National Association of State Bar tax sections. He is past chair of the State and Local Tax Committee of the American Bar Association tax section. Mr. Rosen is editor of the newsletter Inside New York Taxes, is co-editor of the newsletter New York Tax Highlights and of New York Tax Cases. He has written scores of articles that have appeared in numerous professional publications, has made hundreds of presentations on state and local tax matters, and founded and chairs the New York University course entitled “Introduction to State and Local Taxes.” He is a member of the American College of Tax Counsel and is listed in The Best Lawyers in America.