We are a 30-strong team of lawyers, academics, paralegals and non-legal professionals at varying stages of their professional lives. What unites us is a belief in human rights for all, a passion to enforce indiscriminate human rights protection, and the determination to improve individuals’ factual and legal human rights realities through legal means.

We believe that combining our resources to achieve our goals, will benefit the projects we work on and as well as everyone in the team. If you are interested in becoming a member, please do not hesitate to get in touch.



Tatiana Urdaneta Wittek
is a domestically (Austria, Germany) and internationally experienced practising lawyer responsible for the development of CEHRI in Austria. Tatiana believes in an environment that will offer sustainable living space for all generations to come, and has initiated a number of local citizens’ initiatives accompanied by legal action. Tatiana speaks German, English, Italian and French.
Tessa Antonia Schrempf spent 2.5 years working on international human rights cases in Austria, as well as some months at the ECtHR, half a year with the International Commission of Jurists as researcher and has substantially contributed to a report on the nomination of judges for the Open Society Justice Initiative. Her passion is the development of a global economy that respects individual and collective human rights, which is why she focuses on anti-poverty litigation. Based in London, Tessa works predominantly in German and English, and speaks French, Italian and some Russian.
Graeme Lawrence Hall
is a British barrister with a long record of human rights cases in different areas of law, including international law, extradition, crime, civil disputes, mental health and public law. Graeme spent half a year in Uganda setting up a project on death row.



Vlad Maricais an engineer and project manager experienced in information technology, aeronautics and urban mobility. Vlad is responsible for CEHRI operations and scientific research related to his areas of expertise. Based in Vienna, Vlad speaks English, French, German and Romanian.


Advisory Board

DDr. Elisabeth Steineris a human rights lawyer and member of the senior expert council of the law firm Lansky, Ganzger + partners in Vienna. She has extensive knowledge on international human rights law, international law and the rule of law following her longstanding successful career representing the most vulnerable; followed by two terms spent as a judge at the bench of the European Court of Human Rights, including as Vice President of Section I of the Court. Elisabeth also holds multiple visiting professorships in Beijing, Hong Kong and Yantai, lectures at the University of Stanford and at SFU, alongside the Universities of Vienna and Graz, as well as at the Danube University in Krems; accompanied by regular publications on rule of law matters.
Prof. Manfred Nowakis Secretary General of the European Inter-University Center for Human Rights and Democratisation (EIUC, in Venice), Professor of International Human Rights Law at the University of Vienna (retired) and Scientific Director of the Vienna Master of Arts in Human Rights as well as the Ludwig Boltzmann Institute of Human Rights. Previously, Manfred served as a judge at the Human Rights Chamber for Bosnia and Herzegovina, and was UN Special Rapporteur on Torture. In 2016, he was appointed Independent Expert leading the United Nations Global Study on Children Deprived of Liberty.
Dr. Wolfgang Petritschis the President of the Austrian Marshall Plan Foundation, Chair of the Herbert Kelman Institute for Interactive Conflict Transformation, Cambridge-Vienna-Jerusalem, and a member of the European Leadership Network (London). He has published extensively and held professorships at the universities of Harvard, Berkeley and Vienna. Previously, Wolfgang was the Press Secretary and Deputy Chief of Cabinet to former Austrian Federal Chancellor Bruno Kreisky, before serving as Ambassador to Yugoslavia. Wolfgang has held numerous national and international posts; including as EU Special Envoy and Chief Negotiator at the Kosovo peace negotiations, UN-High Representative in BiH in charge of the implementation of the Dayton Peace Accords, Chair of the International Succession Commission for the SFRY, as well as Austria’s Permanent Representative to the UN, the WTO and the OECD, amongst others.
Prof. Hannes Tretteris Professor for Fundamental and Human Rights Law at University of Vienna (retired), Scientific Director of the Ludwig Boltzmann Institute of Human Rights (BIM), Director of the Straniak Academy for Democracy and Human Rights, and Of Counsel for Human Rights at Lansky, Ganzger + partners, Vienna. He has, inter alia, profound experience in transitional justice, democratisation, rule of law and human rights, and is acting as legal representative before the European Court of Human Rights.