J. William Dantzler

White & Case (New York)
Lawyer (Partner)

The head of the Firm’s Tax Practice in the Americas, Bill Dantzler works on domestic and international corporate tax matters, structuring for public and private equity mergers and acquisitions, and other international transactions. Bill has a reputation for clear explanations of complex tax issues, good judgment and practical solutions. Bill helps clients tackle the tax complexities inherent in their US and international corporate affairs. In mergers and acquisitions, often with a cross-border dimension, he helps to develop customized structural solutions that best accommodate the tax needs of sellers or facilitate future tax savings for acquirers. He also provides tax opinions in respect of tax-free transactions. Global clients with internal structuring projects look to Bill for tax guidance, practical advice, and the judgment that comes from more than 30 years of experience. He also leads teams that provide advice on the US and non-US tax laws that apply to the ownership and use of intellectual property and supply chain optimization. Bill serves as principal outside tax counsel to several US public companies and as principal US tax counsel to several non-US companies. He also advises non-US companies forming or recapitalizing US subsidiaries and branches. He is well known for bringing insight to tax controversies and transfer pricing issues. Bill’s combination of reputation, know-how and experience enables him to help clients to save taxes, avoid risk and achieve their business goals without tax friction.

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White & Case (New York)


166 Bulletin

Gregory Pryor, J. William Dantzler The U.S. Delaware Supreme Court affirms termination of merger agreement due to the inability of a party to deliver a necessary tax opinion (Energy Transfer / Williams)


Resolving a dispute surrounding one of the largest M&A deals of 2015, the Delaware Supreme Court affirmed the Delaware Chancery Court’s decision allowing Energy Transfer Equity, L.P. to terminate its proposed acquisition of The Williams Companies, Inc. due to the inability of Energy (...)

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