International Tax Review is part of the Delinian Group, Delinian Limited, 4 Bouverie Street, London, EC4Y 8AX, Registered in England & Wales, Company number 00954730
Copyright © Delinian Limited and its affiliated companies 2024

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


Axel Haelterman



Freshfields Bruckhaus Deringer

Bastion Tower

Place du Champ de Mars/

Marsveldplein 5

B-1050 Brussels


Tel: +32 2 504 7260



Axel Haelterman is a partner in Freshfields Bruckhaus Deringer's Brussels office and a member of the tax practice group. Axel is a leading tax practitioner in Belgium and has a broad ranging practice, advising corporate clients and financial institutions on Belgian and international tax issues. His practice focuses on financial instruments, bank taxation, international acquisition structures, structured finance and stock options. He also has renowned expertise in high-profile tax litigation. Axel is regularly consulted by the federal and regional governments in Belgium on a variety of issues, including drafting new tax legislation.

He is listed as a leading individual in legal directories such as Chambers, The Legal 500 and International Tax Review's World Tax.

Axel obtained a law degree and a business degree from the Catholic University of Leuven (Belgium), a law degree from Columbia University in New York, as well as a PhD on tax transparency from the Catholic University of Leuven. He is a professor in tax law at the Catholic University of Leuven.


Astrid Pieron



Mayer Brown

Avenue des Arts 52

1000 Brussels


Tel: +32 2 551 5968



Astrid Pieron is a partner with more than 30 years of tax experience, which includes 25-plus years of focus on international taxation.

Astrid launched the Mayer Brown European Transfer Pricing Centre (ETPC) in 2008, which is part of the firm's global transfer pricing practice covering US, Asia and Europe.

As head of the ETPC, Astrid counsels on the transactional aspects of transfer pricing, such as structuring European transfer pricing policy for European groups or US groups operating in Europe. Her related work involves advising on tax aspects of changes in business models as well as on the fiscal optimisation of financial vehicles within multinational enterprises (such as captive insurance companies, treasury centres and investment funds). She also assists clients in deploying transfer pricing documentation that conforms with EU guidelines.

Astrid has also a substantial background in tax controversy matters, including assistance with tax litigation and negotiation of rulings with the tax authorities in Belgium and Luxembourg. Her experience in transfer pricing controversy includes examination, appeals and advanced pricing agreements.

At the policy level, Astrid has been closely involved in the OECD intangibles scoping project (for example, submitting comments, and presenting the matter to Working Party No 6), focusing on post-tax/pre-tax valuation issues and the need for reliable but balanced benchmarking to support transfer pricing considerations. She is also involved with the World Customs Organisation (WCO) providing input on convergence efforts between Customs valuation and transfer pricing. Astrid spoke on those aspects at the Open Day for Trade organised in June 2011 by WCO.

Before joining Mayer Brown's Brussels office in 2007, Astrid practised in Brussels and Luxembourg with two of the world's leading tax and accounting firms: Deloitte (2002 to 2006) and Arthur Andersen (1981 to 2002). Reflecting her multinational practice, she is fluent in French, Dutch and English.


Thierry Afschrift


Victor Dauginet


Caroline Docclo

Loyens & Loeff

Daniel Garabedian


Alain Huyghe

Baker & McKenzie

Jacques Malherbe


more across site & bottom lb ros

More from across our site

The reported warning follows EY accumulating extra debt to deal with the costs of its failed Project Everest
Law firms that pay close attention to their client relationships are more likely to win repeat work, according to a survey of nearly 29,000 in-house counsel
Paul Griggs, the firm’s inbound US senior partner, will reverse a move by the incumbent leader; in other news, RSM has announced its new CEO
The EMEA research period is open until May 31
Luis Coronado suggests companies should embrace technology to assist with TP data reporting, as the ‘big four’ firm unveils a TP survey of over 1,000 professionals
The proposed matrix will help revenue officers track intra-company transactions from multinationals
The full list of finalists has been revealed and the winners will be presented on June 20 at the Metropolitan Club in New York
The ‘big four’ firm has threatened to legally pursue those behind the letter, which has been circulating on social media
The guidelines have been established in the wake of multiple tax scandals and controversies that have rocked the accounting profession
KPMG Netherlands’ former head of assurance also received a permanent bar and $150,000 fine; in other news, asset management firm BlackRock lost a $13.5bn UK tax appeal
Gift this article