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Corporate Tax 2017: Expert Witnesses Analysis

This year, we also feature 80 corporate tax experts from over 50 firms across 21 jurisdictions worldwide. The featured experts are often called upon during tax trials to give evidence on tax practices, or may be asked to give their opinion on the matter at hand when a case is being built. 

Thought Leaders
1. Richard Wise MNP, Montreal
2. Marco Aurélio Greco The Pontifical Catholic University of São Paulo, São Paulo
3. Jaime Carvalho Esteves PricewaterhouseCoopers, Lisbon
The Thought Leaders are those individuals who received the highest number of nominations from peers, corporate counsel and other market sources this year. Our research has identified them as being truly outstanding practitioners and the very best in their field.
 

The Big Four dominate the listings, accounting for just under 25 per cent of the total number experts selected for inclusion.

PWC demonstrates a strong global offering, achieving five listings from its offices across Europe and Latin America in this edition.
In Lisbon, Jaime Carvalho Esteves is one of the foremost names in the European market thanks to his experience advising on both domestic and international tax planning and transfer pricing.
Clara Dithmer out of the firm’s Porto office is also recognised as one of Portugal’s most proficient experts on transfer-pricing issues.
Leendert Verschoor is highly regarded for his expertise on cross-border tax issues and transfer pricing.
Colombia’s Nacira Lamprea is a well-known name in the market with over 20 years’ experience handling complex tax litigation.

EY is also home to five standout practitioners in this year’s research. They complement a strong European practice with nominees in South America and the US.
João Alves is the managing partner of the firm’s Portuguese offering and is a seasoned tax expert with over 30 years of experience in the field.
Paulo Mendonça is a prominent expert and a reference on transfer pricing and valuation issues for international corporates.
In the firm’s Washington DC office, national transaction tax leader Andrew Dubroff is a respected tax expert with a wealth of experience offering expert opinions in tax disputes.

Five experts at KPMG are also nominated in this chapter, including two prominent names in the US market.
Célia Castanheiro is a well-known expert in the Portuguese market with well-established tax expertise.
Qualified tax attorney Thomas Wessel out of the firm’s Washington, DC, office is recommended for his extensive experience in the field of taxation and his familiarity with IRS investigations and audits.
Joseph Pari is a prominent transactional tax expert who regularly provides expert opinions on accounting and financial reporting issues.

DELOITTE continues to perform well in our research, garnering four nominees and completing the Big Four contingent.
Lisbon’s Patricia Matos is a highly rated tax specialist who is “exceptionally strong on transfer-pricing issues” according to one respondent.
She is joined in Lisbon by the well-known and highly regarded Carlos Loureiro, whose 35 years of experience – spanning numerous industries in Europe and Africa – make him a key part of the firm’s Portuguese offering.
Bryan Collins out of the firm’s Washington, DC, office is strongly recommended for his expertise on both US and international taxation.

At DUFF & PHELPS, three experts are singled out for praise.
In London, managing director Danny Beeton is a seasoned transfer pricing specialist with 25 years’ experience. He advises multinationals on global transfer pricing issues and providing transfer pricing reports to solve disputes.
In Chicago, Roger Grabowski is an accomplished practitioner with a wealth of experience testifying on valuation issues in the corporate taxation arena.
Toronto-based Howard Johnson is a leading expert in the Canadian market with notable experience testifying on tax-related valuation matters before the courts.

Tax and transfer-pricing specialist HORST FRISCH is a key player in the US market with two experts nominated.
Founder and managing director Thomas Horst is regularly called upon to provide expert testimony on complex transfer-pricing matters.
A former director for international taxation at the US Treasury Department, Daniel Frisch’s knowledge of transfer pricing, revenue estimation and international tax policy has seen him called as an expert witness in the US, Canada and Australia.

JOHANNES KEPLER UNIVERSITY LINZ is held in high esteem in Austria; three academics win recognition for their tax expertise.
Dietmar Aigner is praised for his outstanding technical proficiency, while Georg Kofler’s doctorates in both law and business administration make him a highly sought-after authority on international taxation.
Michael Tumpel is highly regarded for his profound knowledge of VAT and European tax policy.

Eliseu Martins is one of two individuals selected for inclusion at THE UNIVERSITY OF SÃO PAULO. A renowned expert, market commentators consider him “the leading authority on accounting issues in Brazil”.
Alexsandro Broedel Lopes is also recommended for his expertise in accounting and finance issues.

At MNP in Montreal, Richard Wise emerges as the principal corporate tax expert in this year’s research. An expert in business and securities valuation for over 18 years, he is praised for providing “excellent, objective testimony which addresses the facts”.

Marco Aurélio Greco at The PONTIFICAL CATHOLIC UNIVERSITY OF SÃO PAULO is described as “a top-tier tax scholar” whose “expert opinions on tax planning are so respected they often change the course of a lawsuit”.

Catarina Breia at SANTOS CARVALHO & ASSOCIADOS is considered a go-to expert in Portugal for transfer pricing opinion work and valuations.

BARROS CARVALHO ADVOGADOS ASSOCIADOS’ founder Paulo de Barros Carvalho is an eminent figure in the Brazilian tax market thanks to his “first-class academic mind”.

At HUMBERTO ÁVILA ADVOGADOS ASSOCIADOS, Humberto Ávila is described as “a renowned professor with a practical approach to complex and technical issues”.

HARVARD LAW SCHOOL’s Stephen Shay is a prominent academic with a wealth of experience on international taxation issues thanks to his time in private practice. A pioneering expert, he has experience testifying before congressional tax committees on tax reform.

At THE UNIVERSITY OF TENNESSEE, Don Leatherman, a former branch chief at the IRS, is considered an authority on federal income tax issues.

THE UNIVERSITY OF THE WITWATERSRAND’s Harvey Wainer is a distinguished accountant and academic known for his proficiency in business valuation matters.

At THE AALTO UNIVERSITY SCHOOL OF BUSINESS, Tomi Viitala is one of the leading tax experts in the Nordics. A former tax leader at EY, he has extensive experience in international tax matters and acceptable practices.

THE UNIVERSITY OF HELSINKI’s Marjaana Helminen is a former justice in the Administrative Court of Finland and is a recognised authority on cross-border taxation and EU tax law. 

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Nominees have been selected based upon comprehensive, independent survey work with both general counsel and private practice lawyers worldwide. Only specialists who have met independent international research criteria are listed.

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