Conferences - Presentations

  • 24 & 25 January 2020, Athens: 5th Annual Symposium of Greek Lawyers' Association e-Themis on Current Tax and Social Security Law issues.
This year's Symposium, attended by more than 400 participants, took place at Radisson Blu Park Hotel. I participated in the panel discussing International and EU Tax Law issues, presided by Honourable Ms Judge of the Greek Supreme Administrative Court Irene Sharp, along with Ms Aspasia Malliou and Ms Vassiliki Athanassaki. My contribution focused on Tax Dispute Resolution within the EU. You can find my presentation (in Greek), along with the contributions of all the speakers of the Symposium at congress-ethemis.gr/downloads/perrou-themis.pdf   
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  • 15 November 2019, Athens: 1st International Tax Conference "Taxation and Businesses"
​The Greek Association of Tax and Public Finance Law in association with Nomiki Vivliothiki organised this international tax law conference in Athens, bringing together a number of tax experts to discuss the interplay between businesses and taxation. Prof. Pasquale Pistone delivered the keynote speech. 
I had the honour to serve as scientific advisor for this conference and also the pleasure to preside in a panel discussing measures to combat tax avoidance in the after-BEPS era; the members of the panel, Tax Lawyers: Mr Panayiotis Pothos, Mr George Naskaris, Ms Polyxeni Passion and Mr Stathis Bakalis, presented various aspects of different tax avoidance measures, such as CFCs, mandatory reporting and the GAAR.
More information on the conference can be found at www.nb.org/greek/blog/1o-diethnes-forologiko-synedrio/ 
  • 8 October 2019, Athens: 6th Taxation Law Forum
​For the sixth year now, Palladian Conferences organises this highly appreciated conference that is now an established forum for discussion of current taxation issues. This year I participated in the panel on Tax Certainty and my presentation discussed the EU Directive on Dispute Resolution from the perspective of tax certainty. You can find my presentation (in Greek) at palladianconferences.gr/img/alf19_presentation/PERROU.pdf.
You can find more information on the 6th Taxation Law Forum at  palladianconferences.gr/alf19.php
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  • 25 September 2019, Athens: Tax Workshop / Round-table Debate on "Tax Certainty and Tax Justice" 
​ Prof Katerina Savvaidou, Jean holder of the Jean Monnet Chair on EU Tax Policy & Administration, University of Thessaloniki, organised this workshop on Tax Certainty and Tax Justice that took place in Athens, on Wednesday 25 September 2019. At this workshop, Mr George Pitsilis, the Head of the Greek Tax Administration (IAPR) made a short introduction, stating the importance of tax certainty for a good tax administration. The presentations by Professor Katerina Savvaidou, Professor Andreas Tsourouflis, Mr Timos Papadopoulos, Head of the Dispute Resolution Unit of the IAPR and myself made presentations on various aspects on tax certainty. The workshop ended with a discussion with Ms. Nina Olson, the former Head of the IRS Office of the Taxpayer Advocate.
You can see the program of the workshop at jean-monnet-chair-eu-tax-policy-administration.webnode.gr/_files/200000224-3be7f3be82/PROGRAM%20ENG.pdf 
  • 23-24 May 2019, Minneapolis, Minnesota, 4th International Conference on Taxpayer Rights
​This year's conference focused on "Taxpayer Rights in the Digital Age: Implications for Transparency, Certainty and Privacy". 
You can find the agenda and speakers of the 2019 Conference at taxpayerrightsconference.com/agenda/ 
My presentations focuses, as always, on the Current Developments in Taxpayer Rights and you can watch the video by following this link: https://youtu.be/_QMEFQVXncM 
At the conference the 2019 Report of the IBFD's Observatory on the Protection of Taxpayer Rights was presented by Philip Baker and Pasquale Pistone. 
Videos of all the presentations of the Conference can be found here:taxpayerrightsconference.com/2019-archive/2019-conference-materials-minneapolis-minnesota-usa/
The conference is convened by National Taxpayer Advocate of the United States Internal Revenue Service; hosted by the University of Minnesota School of Law; with the Technical Assistance by International Bureau of Fiscal Documentation; and sponsored by Tax Notes and American College of Tax Counsel. 
  • 23 October 2018, 5th Athens Law Forum on Taxation
​​I had the honour to deliver the keynote speech at this year's Athens Law Forum on Taxation.The conference panels are moderated by journalists Mr. Antonis Papagiannidis. The speakers discussed issues concerning taxation and development, taxation and technology as well as current development in Greek tax legislation and case law. 
​My presentation (in Greek) focused on the implementation of the results of the BEPS project. 
You can find the program of the conference here:   palladianconferences.gr/img/5th_ALF_SCHEDULE_programma.pdf
More information on the conference can be found at palladianconferences.gr/alf18.php
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  • 3-4 May 2018, Amsterdam, the Netherlands, 3rd International Conference on Taxpayer Rights 
This year's conference focused on The Convergence of Good Governance and Legal Remedies. You can find the agenda and speakers of the 2018 Conference at taxpayerrightsconference.com/2018-archive/archive/
My presentations focuses on the Current Developments in Taxpayer Rights and you can watch the video by following this link: youtu.be/kbUr134Gy1s?list=PLTAWAGlTV5EdKkLF3ilBhUyU3WJLdx4yK 
​At the conference the 2018 Report of the IBFD's Observatory on the Protection of Taxpayer Rights was presented, containing the findings of the research for the years 2015-2017. 
Videos of all the presentations of the 2018 Conference can be found here: taxpayerrightsconference.com/2018-archive/2018-conference-materials/ 
The Governor of the Greek Tax Administration, Mr. George Pitsilis, also participated in a panel as a moderator, discussing the protection of taxpayer rights in the administrative phase. 
Last but not least, Prof. Dr. Juliane Kokott, AG at CJEU, delivered a presentation on how the Court of Justice has contributed to the development of taxpayer rights protections under eU law.
The conference is convened by National Taxpayer Advocate of the United States Internal Revenue Service; hosted by  International Bureau of Fiscal Documentation; and sponsored by Tax Analysts. ​
  • 29 June 2017, Colloque de Comité de Fiscalité de CCI France Grèce, Athens
​The event, organised by the Commission on Taxation of the Franco-hellenic Chamber of Commerce and Industry, focused on fair taxation of businesses and the need for rationalisation of the tax system. You can see the full program of the event here. 
My presentation (in Greek) focused on The Need to Update the Current Network of Double Tax Treaties and, in particular, on the effect of the MLI on existing double tax treaties. 
  • 8 May 2017, International Conference, Dispute Resolution and Taxpayer Protection, Athens, Greece
​This Conference organised by the Greek Independent Authority for Public Revenue, the National and Kapodistrian University of Athens and the International Bureau of Fiscal Documentation, discussed issues concerning the protection of taxpayer rights with particular focus on dispute resolution.
You can see the agenda of the Conference here: www.aade.gr/sites/default/files/2017-04/agenda_en_0.pdf 
My presentation focused on the protection of taxpayers under the European Convention on Human Rights (ECHR) and you can find it (in Greek) by following this link www.aade.gr/sites/default/files/2017-05/Παρουσίαση-Κατερίνα%20Πέρρου.pdf 
  • 13-14 March, 2017, Vienna, Austria, 2nd International Conference on Taxpayer Rights
​This year's conference subject is "Beyond the Soundbite: Turning Rights into Remedies".
The agenda of the conference can be found here taxpayerrightsconference.com/2017-archive/2017-agenda-vienna-austria/  
I participated in the panel moderated by Philip Baker focusing on the protection of taxpayer rights in multi-jurisdictional disputes. You can watch the video by following this link youtu.be/lcC4PqM-6ZE?list=PL5uI18JHQpT5VOUZlseI-X0hBCzbtVpg_
Videos of all the presentations of the 2017 Conference can be found here: taxpayerrightsconference.com/2017-archive/2017-conference-materials-vienna-austria/
The conference is convened by National Taxpayer Advocate of the United States Internal Revenue Service; hosted by the Institute for Austrian and International Tax Law at WU (Vienna University of Economics and Business) in Vienna, Austria; and sponsored by Tax Analysts. ​
  • 4 & 7 July 2011, Technical Chamber of Greece, Athens
The Institute for Education and Vocational Training for the members of the Technical Chamber of Greece (IEKEMTEE) organized two meetings, on 4 & 7 July 2011, specially designed to provide information to the new members of the Chamber on various professional issues. My presentation (in Greek) focused on the taxation of engineers exercising liberal profession in Greece, with particular reference to the rules that apply to professionals with no more than 5 years in business.  
  • 19-21 May 2011
"Tax Treaty Case Law Around the Globe", Vienna University of Economics and Business, Vienna, Austria
Title of presentation:
"The accounting method is not the only acceptable method for the calculation of the profits that are attributable to a PE - Greek Supreme Administrative Court Decision No. 917/2010"
  • 6-9 April 2011 
12th Mediterranean Research Meeting, Mediterranean Programme, 
European University Institute Florence, 


Workshop 7: State Economy and State of the Economy in the Mediterranean Area: the contribution of taxation to the development of Europe - Middle East relations

directed by: 
Marco Greggi & 
Yoseph Edrey
Title of submitted paper:
"The free movement of capital and dividend flows between Greece and States in the Middle-East Region
  • 28 January 2011
6th Annual ‘Avoir Fiscal’ EC Tax Conference
Institute of Advanced Legal Studies, 17 Russell Square, London
See the program of the conference here.
Title of presentation:
"Wholly artificial arrangements + presumptions of tax avoidance"
  • 10 November 2010
Series of Seminars on Tax Law 
Organized by the Greek IFA Branch and the Athens Bar Association
Athens Bar Association Conference Room, 60 Akadimias street, Athens
Title of presentation (original in Greek):
"Judicial and Administrative Procedures for Tax Dispute Resolution".

[The presentation is based on the legislation as it stood on November 10th, 2010 and it does not take into account amendments that were adopted later by Law 3900/2010, published on 17 December 2010 (OJ of the Hellenic Government 213 A).]  
  • 16-17 September 2010
The 5th GREIT Conference
"Taxation and Human Rights in Europe and the World"
European University Institute
Badia Fiesolana (Florence), Italy
See the program of the Conference here.
  • 29 January 2010
5thAnnual ‘Avoir Fiscal’ EC Tax Conference

Institute of Advanced Legal Studies, 17 Russell Square, London
See the program of the conference here.
Title of presentation:
"Time limits for the repayment of direct taxes paid contrary to EU law and the impact on the Greek system”
  • 12-14 November 2009
Recent and Pending Cases at the ECJ on Direct Taxation
The Institute for Austrian and International Tax Law of the Vienna University of Economics and Business, Vienna
Title of presentation (with Prof. Theodore Fortsakis):
"Greece: Commission v. Hellenic Republic (C-155/09)"
  • 12-13 June 2008
GREIT Conference
"Legal Remedies in European Tax Law"
Cetara-Salerno, Italy
Title of presentation:
"Time limits, legal protection and their extension"
  • 30 November - 1 December 2007

Tax audits of companies and the fiscal liability of their directors
Athens Law School
Title of presentation:
"The fiscal liability of directors - special cases" (in Greek)