Andrew S Mason

(The following information was supplied by the firm)

Andrew Mason is a member of Sullivan & Cromwell’s Tax Group. He is engaged in a wide variety of federal and state tax matters, including real estate, mergers, acquisitions, project finance, leveraged lease, joint ventures, international transactions and matters involving the Firm’s individual clients. Mr. Mason represents clients in connection with adjustments proposed by the Internal Revenue Service. He also has experience handling New York state tax controversies. Mr. Mason has successfully worked on matters in the New York conciliation process and has appeared before the New York Tax Tribunal.

Mr. Mason has lectured at a number of tax conferences and served as chairman of the Committee on Taxation of Partnerships and Other Pass-Through Entities of the Association of the Bar of the City of New York. In 2009, he was named to Loyalty Alliance’s short list of trusted and well qualified tax attorneys.



  • AT&T in its acquisition of BellSouth
  • Wachovia in its acquisition by Wells Fargo and its acquisition of SouthTrust
  • Goldman Sachs in its initial public offering and acquisition of Spear Leeds, The Hull Group and AYCO
  • Sanford Bernstein in its sale to Alliance Capital
  • The Bank of New York’s acquisition of Ivy Asset Management
  • Brundage Story & Rose in its sale to Bessemer Trust Company
  • Cadillac Fairview in the sale of its interests in U.S. shopping malls
  • Spieker Properties in its merger with Equity Office Properties
  • Sunstone Hotel Investors in its initial public offering
  • Strategic Hotel Investors in its initial public offering
  • Whitehall Street Funds in a variety of different real estate investments, including its investments in Rockefeller Center, a number of real estate investment trusts, Westin and other properties throughout the United States, Canada and Europe
  • Kearney Street Real Estate Limited Partnership in the public and private securitization of non-performing loans
  • An investment group, including a number of prominent U.S. investors, in the acquisition of the Canary Wharf real estate development in the United Kingdom

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