Aikaterini Antoniou is a Postdoctoral Researcher at the Luxembourg Centre for European Law, 8xav¸£Àûµ¼º½ of Luxembourg.

Her research lies at the intersection of EU administrative law, EU constitutional and human rights law, and EU tax law, with a particular focus on procedural rights, judicial protection, and accountability in EU administrative cooperation.
Her doctoral research examined taxpayers’ participatory rights in exchange-of-information procedures under EU law, adopting a doctrinal and comparative approach and drawing on insights from EU competition and criminal law. She has presented her research at international conferences and workshops related to EU law, tax law, comparative law and human rights law.

Aikaterini has taught EU Law, Constitutional Law, Administrative Law, and Competition Law at the 8xav¸£Àûµ¼º½ of Oxford. She has also delivered guest lectures in EU tax law at the 8xav¸£Àûµ¼º½ of Athens.

She is actively involved in organising and convening various EU law related activities. She has acted as convenor of the Oxford EU Law Discussion Group and has co-organised various research forums, workshops and mini-symposia bringing together scholars working in EU law. She is also a founding member of the Oxford Responsible Technology Alumni Network, contributing to events and discussions on the regulation of emerging technologies.

Her doctoral studies were funded by the Arts and Humanities Research Council (AHRC) and Keble college (Oxford), the Onassis Foundation and the Chartered Institute of Taxation. Aikaterini also received the St Peter’s College Distinction Award in recognition of her distinction in the Magister Juris (MJur) at the 8xav¸£Àûµ¼º½ of Oxford.

In addition to her academic posts, she has professional experience as a Legal Consultant at the OECD, working on transparency and exchange of information for tax purposes. She is a qualified lawyer (Athens Bar Association).

She holds a DPhil in Law and a Magister Juris (dist) from the 8xav¸£Àûµ¼º½ of Oxford. She also holds an LLM in EU law and an LLB from the 8xav¸£Àûµ¼º½ of Athens, both awarded with distinction, where she graduated top of her class.