Irma Johanna Mosquera Valderrama is Associate Professor of Tax Law at Leiden University, the Netherlands. She received her PhD (cum laude) in 2007 in the Netherlands. Her areas of expertise are international tax law and comparative tax law in developed and developing countries and more recently exchange of information and BEPS related issues in developing countries. She is the principal investigator of the ERC  project GLOBTAXGOV.


Peter Hongler is a lecturer in tax law at the University of Zurich and the executive director of the LL.M. Programme International Tax Law UZH. He is, moreover, the secretary of the Swiss Association of Tax Law Professors (SATLP).Peter Hongler was educated at the Universities of Bern (MLaw 2008) and Zurich (Dr. iur. 2011). He worked as a research assistant of Prof. Dr. Madeleine Simonek at the Universities of Zurich and Lucerne. Besides he was a guest researcher at the Institute for Austrian and International Tax Law at the Vienna University of Economics and Business and a Post-Doc Research Fellow at the IBFD in Amsterdam.

Sagit Leviner serves as Senior Lecturer holding a dual appointment with the faculties of law and business administration at Ono Academic College in Israel. Dr. Leviner earned her third and second degrees in Law (S.J.D., LL.M.) from the University of Michigan Law School (Ann Arbor, MI), where she also co-taught the Tax Policy Workshop and led the Law School S.J.D. Colloquium. Dr. Leviner served as Senior Researcher with the United States Internal Revenue Service National Headquarters after concluding her S.J.D studies and she pursued her post doctoral research with the Tel Aviv University Cegla Center for Interdisciplinary Research of the Law. Leviner’s research explores the coming together of normative and pragmatic aspects of tax policy design, particularly with respect to tax & globalization, tax enforcement, and the tax burden distribution.

Wouter Lips is a PhD candidate, funded by the Flanders Research Network, and a member of the Ghent Insitute for International Studies at Ghent University. His PhD project focusses on the political economy of the G20 tax agenda with regards to automatic exchange of information and BEPS.



Eleonora Lozano. Professor of Tax Law and Director of the PhD in Law a the Faculty of Law, Los Andes University, Bogota, Colombia.She is a lawyer and an economist from Los Andes University and holds a PhD (cum laude) from Salamanca University, Spain. Her areas of expertise are domestic and international taxation, public finance, law and economics, fiscal theory and policy, and alternative mechanisms for national and international conflict resolutions.

Diego Mejía-Lemos {PhD, LLM [National University of Singapore (NUS)], LLM [New York University (NYU)], PGDip, LLB (Universidad Nacional de Colombia)} is a Post-Doctoral Fellow at the NUS Faculty of Law. Dr Mejía-Lemos has held positions in both academia and practice. Recently, at the Permanent Court of Arbitration (PCA), in The Hague, he provided support to investment treaty arbitrations conducted under the PCA’s auspices.  His work has been published or is forthcoming in the American Journal of International Law, the Oxford Reports on International Law, the Oxford Reports on International Organizations, and Oxford University Press’s Investment Claims, i.a.

Rahul Navin is presently Additional Director General of Income Tax (Vigilance), North Zone, Central Board of Direct Taxes, New Delhi.  An officer of the Indian Revenue Service, he has served in many capacities in his career of twenty-three years with the Indian Income-tax department.  From April 2011 to October 2015, he worked as Director in the FT&TR Division of the Central Board of Direct Taxes and during this period negotiated bilateral and multilateral agreements on Exchange of Information, and also coordinated the requests made/received under these agreements by the Income-tax Department. He has worked as Commissioner (Transfer Pricing-I), New Delhi, from November, 2015 to November, 2017.

Lydia Ogazón is a Senior Research Associate for IBFD’s Africa, Middle East and Latin America Knowledge Group. Before joining IBFD, Lydia worked for over 12 years for the International Tax Treaties Unit of the Ministry of Finance in Mexico and the Group Taxation Unit within the same Ministry. She was a member of the Mexican delegation for the negotiation of double tax treaties and tax information exchange agreements. She was also the Mexican delegate before the OECD Working Party 6 on the Taxation of Multinational Enterprises and the OECD Forum on Harmful Tax Practices. Prior to joining the Ministry of Finance, Lydia worked for E&Y Mexico as a tax advisor and auditor.

Natalia Quiñones is an International Tax partner with Quiñones Cruz in Bogota, Colombia. She is a  PHD Candidate in Tax Law at Amsterdam University (UvA). JD from Universidad del Rosario, Philosopher (summa cum laude) from Universidad de los Andes, Specialist in Tax Law from Universidad del Rosario, and LLM (Gerard Wallace Scholar) from New York University (NYU). She is a member of the DeSTaT research project on Development, Sustainability, Tax and Transparency, led by Oslo University and funded by the Norwegian Research Council.

Diane M. Ring is Professor of Law and the Dr. Thomas F. Carney Distinguished Scholar at Boston College Law School. Ms. Ring received her A.B. and J.D. from Harvard University.Ring’s recent work has focused on international tax and international tax enforcement including issues regarding transparency, disclosure of information, and the impact of tax leaks on tax policy. Her other interests include innovations in human capital investments and the taxation and regulation of new industries, including the gig economy, along with ethical issues in taxation. Ms. Ring has worked as a consultant to the U.N. addressing treaties, and transparency and disclosure for developing countries.

Jose Andres Rozas is Associate Professor of Financial and Tax Law at the University of Barcelona, Spain. He holds a PhD from the Complutense University of Madrid. He has spent several research stays in the USA (Harvard, Boston College), Italy (Naples, Palermo), United Kingdom (Oxford) and The Netherlands (IBFD). His main research topics are environmental and energy taxation, inheritance tax, and taxpayers bill of rights, always from an international comparative point of view. From 2014 he is researching and publishing on cooperative compliance’s tax policies.

Marina Serrat, PhD in Law and Political Science at the University of Barcelona (2017) with International Mention, is a Tax and Corporate Lawyer at Becerra Advocats, SCP, a Law firm based in Barcelona. She has recently been appointed as Member of the board of the Internet Society, Spanish Chapter. Her research lines are focused on Transparency, Taxpayer’s Rights, Data Protection, Exchange of Information for Tax Purposes and more recently Tax Compliance Policies and Digital Taxation.


Enza Sonetti received a joint- PhD (2017) in Legal Strategy for SMEs from Suor Orsola Benincasa University of Naples and in Law and Political Science from the University of Barcelona. She currently works at AGM Abogados SL-Barcelona . Her research interests are focused on European Tax law, SMEs taxation, cooperative compliance systems, factors influencing taxpayers’ behaviour and tax penalties.


Laurens van Apeldoorn is Assistant Professor of Philosophy and a member of the Centre for Political Philosophy at Leiden University. His recent research is on international taxation in relation to global justice. He has also held visiting appointments at McGill University, the University of Toronto, the University of Montreal, and King’s College London. He received a doctorate from Oxford University.


Diana van Hout is Assistant professor of Tax Law at Tilburg University and deputy judge at the Higher Tax Court (Court of Appeals) in ’s-Hertogenbosch (the Netherlands). She wrote her PhD thesis about mediation in tax disputes, which was acclaimed best thesis of 2012 and 2013 by the Dutch Association of Tax Scholars.Her areas of expertise are procedural tax law (including taxpayers’ rights, enforcement and criminal tax law) and dispute resolution (including alternative dispute resolution, preventing disputes and compliance).






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