"extraordinarily talented"..."thoughtful and measured advice"
Chambers USA 2007


Timothy Sherck is a corporate tax lawyer. He represents and counsels corporate clients on all tax aspects of mergers, acquisitions, and dispositions of businesses, including consolidated return issues, preservation and utilization of net operating losses and other tax attributes, and structuring and implementation of tax-free spinoffs.  He also advises lenders, investors, and debtors on tax issues in financial restructurings, including bankruptcy reorganizations. In addition, he is involved in the preparation and handling of requests for private letter rulings before the IRS National Office.

Timothy has been cited as one of the world's leading tax lawyers by Chambers Global. He has also been called "extraordinarily talented” and is known as lawyer who provides “thoughtful and measured advice" (Chambers USA 2007). He has also been called "technically strong” and has been “commended by rivals as 'one of the most distinguished and thoughtful lawyers in town'" (Chambers USA).

Timothy serves as a member of the Planning Committee for the University of Chicago Federal Tax Conference. Prior to joining Mayer Brown, he served as a Law Clerk to The Honorable Walter R. Mansfield of the US Court of Appeals for the Second Circuit in New York (1974-1975).

Areas of Focus

Spoken Languages

  • English


Harvard Law School, JD, cum laude, Comment Editor, Law Review

Northwestern University, BA, cum laude


  • Illinois