Adam Rosenzweig

Professor of Law

Adam Rosenzweig

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Rosenzweig concentrates his research and teaching in the area of tax law and policy. Before joining the Washington University law faculty in 2007, he was a visiting assistant professor at Northwestern University School of Law. He also was in private practice in New York, where he focused on federal income tax law and specialized in the areas of private equity, hedge funds, equity derivatives, and cross-border capital markets and clerked for Judge James L. Dennis, United States Court of Appeals for the Fifth Circuit.

WashU in the News


WashU Expert: Treasury should work within existing rules to close tax loopholes

The U.S. Treasury Department has issued several rules recently aimed at cracking down on tax evasion and money laundering in the wake of the “Panama Papers.” Will continuing to add new, and increasingly aggressive, rules make any lasting or concrete changes to the American tax code? Maybe, but perhaps at a cost to the tax law as a whole, says Washington University tax expert Adam Rosenzweig.
Adam Rosenzweig

WashU Expert: Pfizer deal marks the end of U.S. ability to stop corporate tax inversion

U.S. pharmaceutical giant Pfizer announced Nov. 23 a record-breaking $160 billion merger with Irish firm Allergan, the biggest merger to date involving the controversial strategy of tax inversion. The move marks the beginning of the end of the ability to stop corporate tax inversions under current tax rules, said Adam Rosenzweig, JD, professor of law and an expert on international tax law at Washington University in St. Louis.