2025 International Tax Seminar

Bart Kosters

Senior Principal Research Associate, IBFD

Bart Kosters is a Senior Principal Research Associate in IBFD’s Tax Services Department in Amsterdam. He holds a master’s degree in tax law from Leiden University in the Netherlands. He has over 35 years of experience in domestic and international taxation and prior to joining IBFD in 2001 he worked for the Dutch Tax Administration and as a senior policy maker in the Ministry of Finance of the Netherlands.  

His areas of expertise include amongst others drafting of Personal Income Tax and negotiation and application of Double Taxation Conventions including conducting mutual agreement procedures and litigation. Bart has provided technical assistance as key expert to governments in a large number of African and Asian countries in the areas of tax policy, negotiation and application of tax treaties, drafting tax legislation and the international aspects of domestic taxation.  

He has provided training to tax authorities including to name some, the Indian Revenue Service, US IRS, Inland Revenue Board of Malaysia, Botswana Unified Revenue Service, Liberia Revenue Authority, Zambia Ministry of Finance, Korea National Tax Service, Indonesia Directorate of General Taxes, Philippine Bureau of Internal Revenue, Bhutan Ministry of Finance and the Norwegian Skatteetaten as well as to the Tax Court of Canada, the Big 4 and the European Commission.  

Bart has lectured international tax at Radboud University in Nijmegen, the Netherlands and is a permanent contributor on international tax matters for a leading weekly tax magazine in the Netherlands and is a regular speaker at tax conferences. 

Andreas Klier

Partner, Pape & Co.

Andreas is a Partner at Pape & Co based in Munich, Germany. His clients are mainly mid-tier partnerships and corporations. His specialist expertise lies in tax consulting for large family-owned assets, as well as in restructuring and international tax law. He is also deeply involved in the activities of MGI Europe. 

: www.pape-co.de
: andreasklier

Tom Lawson

Tax Partner, Budliger Treuhand AG

Tom Lawson is a Certified Accounting Expert and a Certified Swiss Tax Expert. Since 2020 he further holds an LL.M. in International Tax Law from the University of Zurich. Tom's career started in 2001 as an accountant in a global accounting firm. From 2012 to 2023 he worked for a tax law firm in Zurich where he advised individuals and corporations in various tax matters. Since 2024, Tome is a Tax Partner at Budliger Treuhand AG in Zurich. His focus lies on corporate tax planning and corporate tax compliance.

: www.budliger.ch
: tom-lawson-614151119/

Lenka Pazderova

Tax Advisor, LTA Tax s.r.o.

Lenka Pazderova is a Tax Advisor at LTA Tax s.r.o. in the Czech Republic, a member of MGI Worldwide in the European region.

Caroline Haure Nyborg

Tax Manager, Redmark

Caroline Haure Nyborg is a Tax Manager at Redmark in Denmark, a member of MGI Worldwide in the European region.

David Peirson

F. W. Smith, Riches & Co.

David Peirson is a Tax Partner at F. W. Smith, Riches & Co. in the United Kingdom, a member of MGI Worldwide in the UK & Ireland region.

Fabian Thumm

Managing Director VAT / Indirect Tax, Menold Bezler Partnerschaft mbB

Fabian Thumm is the Managing Director VAT / Indirect Tax at Menold Bezler in Germany, a member of MGI Worldwide in the European region.

Francesco Bartolucci

Partner, MGI Studio Pragma

Francesco Bartolucci is a Partner at MGI Studio Pragma in Italy, a member of MGI Worldwide in the European region.

: www.studiopragma.it
: francesco-bartolucci