Dr. Michael Ioannidis




Dr. Michael Ioannidis is Senior Research Fellow at the Max Planck Institute for Comparative Public Law and International Law, Heidelberg, and Lead Legal Counsel at the Directorate General Legal Services of the European Central Bank (ECB).

Academic interests

Dr. Ioannidis specialises in public law at EU, national, and international level. His publications cover issues of constitutional and administrative law as well as international and European economic law, in particular EMU law. During his academic and practitioner career, he has focused on issues such as the allocation of competences, privileges and immunities, due process, the rule of law, and fundamental rights. His research interests include economic theory and the history of economic thought. He is a member of the Academic Advisory Board of the Heidelberg Journal of International Law (ZaöRV) and regularly acts as a referee for academic journals.


Dr. Ioannidis holds degrees in both law and economics. He graduated with distinction from the Law School of the University of Athens (2005) and continued his legal studies first in Heidelberg (LL.M., 2007) and then in Cambridge (LL.M., 2008). He holds a degree in European and International Economics from the Athens University of Economics and Business (2016). Dr. Ioannidis received his Ph.D. summa cum laude from the Goethe University Frankfurt/Max Planck Institute for Comparative Public Law and International Law, where he has been a Senior Research Fellow since 2012. In 2016, he was seconded for a period to the Legal Service of the European Stability Mechanism (ESM). In 2017 he joined the Directorate General Legal Services of the ECB. Since 2022, he is the Rapporteur (Secretary) of the Committee on International Monetary Law of the International Law Association (MOCOMILA).

Selected Publications

  • ‘Climate change and the mandate of the ECB: Potential and limits of monetary contribution to European green policies’ (2022) 59 Common Market Law Review 363-394 (with Chiara Zilioli)
  •  ‘The Mandate of the ECB: Legal Considerations in the ECB's Monetary Policy Strategy Review’ (2021) ECB Occasional Paper 2021/276, 1-33 (with Sarah Jane Hlásková, Chiara Zilioli)
  •  ‘The Judicial Review of Discretion in the Banking Union: From ‘Soft’ to ‘Hard(er)’ Look?’ in: Judicial Review in the European Banking Union, Chiara Zilioli, Karl-Philipp Wojcik (eds) (Edward Elgar, 2021) 130-145
  •  ‘The principle of confidentiality in banking supervision’ in: ESCB Legal Conference 2020 (ECB Publications, 2021) 223-241
  •  ‘The Judiciary’ in: The Oxford Handbook of Modern Greek Politics, Kevin Featherstone, Dimitri A. Sotiropoulos (eds) (Oxford University Press, 2020) 117-13
  •  ‘The European Central Bank’ in: The EU Law of the Economic & Monetary Union, Fabian Amtenbrink, Christoph Hermann (eds) (Oxford University Press, 2020) 353-389
  •  ‘Between Responsibility and Solidarity: COVID-19 and the Future of the European Economic Order’ (2020) 80 Heidelberg Journal of International Law/Zeitschrift für ausländisches öffentliches Recht und Völkerrecht 1-11
  •  ‘Nuove trasformazioni dell’Europa. Come sono cambiati i principi della costituzione economica europea durante la crisi’ in: Europa: diritto della crisi e crisi del diritto. Austerità, diritti, cittadinanza, Costanza Margiotta (ed) (il Mulino, 2018)
  •  ‘Debt restructuring in the light of Pringle and Gauweiler - flexibility and conditionality’ in: ESCB Legal Conference 2016 (ECB Publications, 2017) 78-93
  •  ‘Evolution and Gestalt of the Greek State’ in: Ius Publicum Europeum, A von Bogdandy, S Cassese, P M. Huber (eds) (with S I Koutnatzis) (Oxford University Press, 2017), 237-289
  •  ‘Weak Members and the Enforcement of EU law’ in: The Enforcement of EU law and Values, A Jacab and D Kochenov (eds) (Oxford University Press, 2017) 476-49
  •  ‘Enforcing EU Values: Reverse Solange and a Systemic Deficiency Committee’ in: The Enforcement of EU law and Values, A Jacab and D Kochenov (eds) (with A von Bogdandy and C Antpöhler) (Oxford University Press, 2017) 218-233
  •  ‘Europe’s new Transformations: How the EU economic constitution changed during the Eurozone Crisis’ (2016) 53 Common Market Law Review 1237-1316
  •  ‘Can international trade promote democratic legitimacy? The participatory dimension of WTO law’ in: Freihandel versus Demokratie, S Buszewski, S Martini, H Rathke (eds) (Nomos, 2015) 183-198
  •  ‘Systemic deficiency in the rule of law: What it is, what has been done, what can be done’ (with A von Bogdandy) (2014) 51 Common Market Law Review 59-96
  •  ‘EU Financial Assistance Conditionality After Two Pack’ (2014) 74 Heidelberg Journal of International Law/Zeitschrift für ausländisches öffentliches Recht und Völkerrecht 61-10
  •  ‘Standard of Review and Due Process in WTO Law’ in: Deference in International Courts and Tribunals: Standard of Review and Margin of Appreciation, L Gruszczynski and W Werner (eds) (Oxford University Press, 2014) 91-112
  •  ‘The ECtHR, National Constitutional Law, and the Limits of Democracy: Sitaropoulos and others v Greece’ (2011) 17 European Public Law 661-674
  •  ‘A Procedural Approach to the Legitimacy of International Adjudication: Developing Standards of Participation in WTO law’ (2011) 12 Special Issue of the German Law Journal 1175-1202
  •  ‘Kosovo’s Declaration of Independence and the Creation of a New Legal Order’ (2011) EUI Working Paper 2011/07 1-17
  •  ‘Naming a State – Disputing over Symbols of Statehood at the Example of “Macedonia”’ (2010) 14 Max Planck Yearbook of United Nations Law 507-561


Basics of EU Law