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

The purchase of Marosa represents the second major tax tech consolidation this week, raising questions of a broader industry trend
Peru’s approach to TP is increasingly at odds with OECD-style profitability policies, exposing multinational groups to asymmetric tax adjustments
Hany Elnaggar examines how the region's legacy economic substance regimes and the OECD's pillar two framework are converging on the same underlying test
The deals for TP Accurate and Intra Pricing Solutions will enhance Alphatax’s ability to support clients with the full TP lifecycle, the tax tech provider claimed
The DS Advocates partner discusses career reinvention, tax disputes and why advisory and litigation experience should complement one another
Lindsay Clayton’s arrival at Baker McKenzie continues the firm’s storied pursuit of ex-US government lawyers, a strategy reinforced by robust World Tax rankings
Shared transaction semantics, governed data and reusable ERP design may prove the most significant benefits of the UK's move to Peppol
As pillar two reshapes global tax competition, the UK faces a crucial challenge: how to remain attractive to multinationals without sacrificing tax revenues
Pillar two may be raising less than expected, but professor René Matteotti says the regime is still changing multinational tax behaviour
Multinationals importing goods into Brazil may need to align TP files and customs documentation more closely as authorities gain new tools to challenge related-party transactions
Gift this article