Oliver has been contributing to the application and development of EU law in 30 years of academic and professional practice. He served at the European Commission, the European Court of Auditors, the European Agency for Reconstruction and practised as attorney at German courts and the European Court of Justice as well as in arbitration as chairperson and counsel. In addition, Oliver has has advised Union services on EU external relations and cooperation with with third countries. He completed more than 40 flagship projects of the EU in external cooperation on matters of governance, EU integration, justice, institution building, infrastructure, e.a. in interaction with public sector institutions. Oliver has widely published and speaks on a variety of aspects of EU law and international relations. His academic work has attracted various international prizes. Recent research was on fundamental rights/constitutional law, good governance & rule of law, internal market, remedies, procedural law, public procurement, regulatory affairs and external relations. Oliver has a PhD from Passau University, German judge/attorney qualification, as well as a diploma and a Master in EU law from King’s College London. He served on the ELI Council from 2013 to 2017, and from 2023 onwards.