Albania
Gazmir Spahija
General Taxation Directorate

Armenia
Gagik Khachatryan
State Revenue Committee of the Government

Austria
Wolfgang Nolz
Ministry of Finance

Azerbaijan
Fazil Mammadov
Ministry of Taxes of the Republic of Azerbaijan

Belarus
Vladimir Poluyan
Ministry of Taxes and Duties of the Republic of Belarus

Belgium
Hans D'Hondt
Federal Public Service FINANCE

Bosnia and Herzegovina
Miro Džakula
Indirect Taxation Authority of Bosnia and Herzegovina

Bulgaria
Krasimir Stefanov
National Revenue Agency

Croatia
Nada Čavlović Smiljanec
Ministry of Finance - Tax Administration

Cyprus
George Gabriel Poufos
Inland Revenue Department

Czech Republic
Jan Knížek
The Czech Tax Administration

Denmark
Peter Loft
Danish Ministry of Taxation

Estonia
Marek Helm
Estonian Tax and Customs Board

Finland
Mirjami Laitinen
Finnish Tax Administration

France
  Philippe Parini
General Directorate of Public Finances

Georgia
Jambul Ebanoidze
Revenue Service

Germany
Dr. Albert Peters
Federal Ministry of Finance - Tax Department

Greece
John Kapeleris
Ministry of Economics

Hungary
Ildikó Vida
Hungarian Tax and Financial Control Administration

Iceland
Skúli Eggert Þórðarson
Internal Revenue Directorate

Ireland
Josephine Feehily
Office of the Revenue Commissioners

Italy
Attilio Befera
Revenue Agency

Kazakhstan
Anuar Dzhumadildayev
Tax Committee of the Ministry of Finance of the Republic of Kazakhstan

Latvia
Nelija Jezdakova
State Revenue Service

Liechtenstein
Bernhard Büchel
Fiscal Authority of the Principality of Liechtenstein

Lithuania
Modestas Kaseliauskas
State Tax Inspectorate under the Ministry of Finance of the Republic of Lithuania

Luxembourg
Romain Heinen
Indirect Tax Administration

Malta
Mario Borg
Inland Revenue Department

Moldova
Nicolae Platon
Main State Tax Inspectorate under the Ministry of Finance of the Republic of Moldova

Montenegro
Dejan Marinović
Tax Administration

Netherlands
Peter Veld
Tax and Customs Administration of the Netherlands

Norway
Svein Ragnar Kristensen
Tax Norway

Poland
Andrzej Parafianowicz
Tax Administration

Portugal
José António de Azevedo Pereira 
Tax and Customs Authority

Republic of Srpska (B&H)
Zora Vidović
Tax Administration of Republic of Srpska

Romania
Şerban Pop
National Agency for Fiscal Administration

Russian Federation
Mikhail V. Mishustin
Federal Tax Service (the FTS of Russia)

Serbia
Dragutin Radosavljević, PhD
Ministry of Finance of the Republic of Serbia - Tax Administration

Slovakia
Igor Krnáč
Financial Directorate of the Slovak Republic

Slovenia
Mojca Centa
Tax Administration of the Republic of Slovenia

Spain
Beatriz Viana
Spanish Tax Agency (AEAT)

Sweden
Ingemar Hansson
Swedish Tax Agency

Switzerland
Urs Ursprung
Swiss Federal Tax Administration FTA

The former Yugoslav Republic of Macedonia
Goran Trajkovski
Public Revenue Office

Ukraine
Oleksandr Klymenko
State Tax Service of Ukraine

United Kingdom
Lin Homer
Her Majesty's Revenue & Customs