Diana Wollman

Cleary Gottlieb Steen & Hamilton LLP

Diana L. Wollman’s practice focuses on complex international M&A and internal restructuring transactions, tax audits, tax investigations and strategic audit preparation.

Diana joined Cleary Gottlieb in 2015 after serving as the Internal Revenue Service’s first Director of International Strategy for the agency’s Large Business & International Division, where she was responsible for developing and managing its international strategic program. Her work included improving how the IRS identifies and addresses significant international tax issues, manages and utilizes its institutional knowledge and data, and trains agents; she also worked to improve the collaboration and coordination between the audit division and the Office of Chief Counsel.

She represented the IRS on several Organisation for Economic Co-operation and Development (OECD) working groups, including those focused on BEPS (the OECD’s base erosion and profit shifting project), the Forum on Harmful Tax Practices and the Forum on Tax Administration.

Prior to her 2013 appointment to the IRS, Diana was a partner in the tax practice of another major international law firm, where she began her career as an associate in 1993. There she built a diverse practice that included federal and New York State tax controversies, complex cross-border transactions, fund and private equity work, and bankruptcy.


  • Member, Executive Committee, New York State Bar Association’s Tax Section; Former Tax Section Chair (2013)
  • Fellow, American College of Tax Counsel
  • Member, The Tax Club (Harvard Club of New York)
  • Member, The Tax Review
  • Member, The Tax Forum
  • Former Adjunct Professor, Columbia Law School
  • Law Clerk to the Hon. Robert J. Kelleher of the U.S. District Court for the Central District of California, 1991-1992


  • University of California, Los Angeles School of Law, J.D., 1991


  • New York


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What types of cases Attorney Diana Wollman & Cleary Gottlieb Steen & Hamilton LLP can handle?
Cleary Gottlieb Steen & Hamilton LLP can handle cases related to laws concerning Tax, Mergers & Acquisitions, International Law. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Cleary Gottlieb Steen & Hamilton LLP located?
Cleary Gottlieb Steen & Hamilton LLP is located at 1 Liberty St, New York, NY 10006, USA. You can reach out to Cleary Gottlieb Steen & Hamilton LLP using their phone line (212) 225 2660. You can also check their website clearygottlieb.com or email them at [email protected].
How much would it cost to hire Cleary Gottlieb Steen & Hamilton LLP?
Diana Wollman lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Cleary Gottlieb Steen & Hamilton LLP
1 Liberty St, New York, NY 10006, USA
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