Wollman moves from Sullivan & Cromwell to IRS; Schnabel succeeds as NYSBA tax section chair

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Wollman moves from Sullivan & Cromwell to IRS; Schnabel succeeds as NYSBA tax section chair

fotoflexer-photoirs.jpg

Diana Wollman, a former partner of Sullivan & Cromwell, begins her new job today as director, international strategy in the Large Business and International division of the Internal Revenue Service.

She will report to Michael Danilack, deputy commissioner (international), and will be, said a recent internal e-mail, his principal adviser on a wide range of high-level and sensitive international issues and will oversee the development and implementation of all aspects of the IRS’s international strategic programme, including risk assessment, data management, trend analysis, training, and knowledge management capabilities, as well as assisting in developing and maintaining key contacts outside the Service.

At Sullivan & Cromwell, she specialised in the tax aspects of complex international transactions, managing tax audits and controversies, and handling clients’ other interactions with tax authorities.

David Schnabel will succeed Wollman as chairman of the tax section of the New York State Bar Association. He is a partner of Debevoise & Plimpton specialises in corporate M&A, acquisition financing and private fund formation.

more across site & shared bottom lb ros

More from across our site

A 120-plus-day delay to refunds would cost taxpayers almost $3bn in additional interest, the Cato Institute warned; plus indirect tax updates from February
The Office for Budget Responsibility’s pessimistic pillar two forecast accompanied the UK chancellor’s muted Spring Statement, dubbed ‘as dull as possible’ by one adviser
Digital tax reform is dissolving the old ‘temporal buffer’, forcing systems, institutions, and professionals to adapt as real-time reporting reshapes governance, capability, and compliance
Our first instalment features analysis of Deloitte’s landmark EMEA merger, Donald Trump’s Supreme Court tariff showdown and Venezuela’s tax evolution
While some believe it could have a positive effect on the wider advisory landscape, others argue that HMRC’s ‘red tape’ exercise won’t deter bad actors
The political optics of the US’s carve-out deal are poor, but as the Fair Tax Foundation’s Paul Monaghan writes, it preserves pillar two’s guiding ethos
The big four firm reportedly sent ‘threatening’ correspondence to Unity Advisory over its hiring of ex-PwC partners; plus tax recruitment news from the week
Tom Goldstein, who was represented by US law firm Munger, Tolles & Olson, denied wilfully cheating on his taxes and blamed errors on his staff
Multinationals face rising TP scrutiny as global rules diverge. As Daniel Moalusi argues, strong, consistent documentation is now essential to minimise audit risk and protect tax positions
The profession is fundamentally restructuring itself around what tax and accounting work should be, a Thomson Reuters leader told ITR
Gift this article