Andrew W. Steigleder: Lawyer with Mayer Brown LLP

Andrew W. Steigleder

Chicago,  IL  U.S.A.
Phone312 701 7371

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Experience & Credentials

Practice Areas

  • Tax
  • Tax Controversy
Contact InfoTelephone: 312 701 7371
Fax: 312 706 8772
University Loyola University, New Orleans (B.B.A. in Accountancy/Finance, 1997); Creighton University School of Business, M.B.A., 2002
Law SchoolCreighton University School of Law, J.D., cum laude, 2002; Northwestern University School of Law, LL.M., with honors, 2003
Admitted2002, Illinois; 2005, US Tax Court; 2014, US Court of Appeals for the Seventh Circuit; 2010, US Court of Appeals for the Second Circuit; 2010, US District Court for the Northern District of Illinois; 2007, US Court of Federal Claims


American Bar Association

Association of Trial Lawyers of America

North Side Youth Football NFP, Board Member


Andrew Steigleder is a partner in Mayer Brown's Chicago office and a member of the Tax practice. He posseses significant experience in domestic and international tax consulting, risk assessment, and tax controversies before the IRS with particular emphasis on: the litigation of complex financial transactions; economic substance and substance over form issues; transfer pricing strategies, APAs, audits, and IRS Appeals; privilege issues; penalty defense; FATCA reporting; and FIN 48 analysis and Schedule UTP reporting. Of particular note, he has represented financial institution promoters and individual and corporate taxpayer investors in controversies involving complex tax-advantaged financial transactions, including listed transactions.

In addition, he has successfully lobbied Congress and drafted proposed legislation that was adopted in a technical correction to IRC 6404(g) concerning the interest suspension on underpayments of tax. Finally, he represented and oversaw the settlement of a coordinated examination of more than 750 former partners of major accounting firm in which the IRS sought over $450 million in taxes; the matter settled for approximately 5 percent of that amount. The breadth of this experience allows Andy to represent clients at all levels of a tax controversy, including pre-audit consulting and risk assessment, IRS examinations and IRS Appeals, litigation in both the US Tax Court and US Court of Federal Claims, and post-trial appeals to US Circuit Courts.

Mayer Brown was recently named Tax Controversy Team of the Year in the Legal 500 United States Awards 2014. Mayer Brown is 'among the best' and fields a large team...dedicated exclusively to tax controversy and transfer pricing, said Legal 500 and its sources in the 2014 US edition. The firm's extensive experience spans the full gamut of controversy work, from administrative appeals to litigation in the trial court and at appellate court level.

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Office Information

Andrew W. Steigleder

71 S. Wacker Drive
ChicagoIL 60606


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