Sidley Austin LLP fields a substantial team of international tax experts, well-equipped to advise on cross-border transactions, such as M&A, joint ventures and restructurings. The group is also highly experienced in the implementation of tax-efficient structures and strategies as well as matters involving tax authorities. Located in New York, Robert Kreitman spearheads the practice alongside Chicago-based Bridget O'Neill. Also in Chicago Suresh Advani caters to both domestic and international corporations in an array of transactions and federal income tax issues, while Joseph Paral has a particular focus on cross-border investments, routinely representing private investment managers and investors on the tax aspects of fund formations and investments. Further strengthening the team and located in New York, Christian Brause offers advice to private equity sponsors and investors on the full range of tax issues relating to M&A, financing and fund formation. Idan Nester is based in the firm’s Palo Alto’s office and lends his expertise to international corporate and partnership taxation matters, from cross-border international investments, M&A and joint ventures to transfer pricing, foreign tax credits and tax controversy issues. Former practice head, Rachel Kleinberg left the firm in December 2025.
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Key clients

  • Arthur J. Gallagher & Co.
  • Brightstar Lottery PLC
  • Xignux
  • Soho House & Co. Inc.
  • Global Container International
  • The Rohatyn Group
  • Itron, Inc.
  • Armis Security Ltd.
  • Supira Medical
  • PhaseV Trails, Inc.
  • Sensi.AI Inc.
  • Electron Exchange Holdings, Inc.
Practice head

Robert Kreitman; Bridget R. O'Neill

Other key lawyers

Joseph Paral; Christian Brause; Idan Nester