CDRC Vienna
:: The Organizers

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Founding Institutions


IBA       VIAC       


The International Bar Association (IBA) is the world’s leading organization of international legal practitioners, bar associations and law societies with a membership of 55,000 individual lawyers and 206 bar associations and law societies spanning all continents.

The Vienna International Arbitral Centre (VIAC) is the premier international arbitration institution in Central and Eastern Europe. The new Vienna Mediation Rules of VIAC can be downloaded here



Association for the Organization and Promotion of the Vienna Mediation and Negotiation Competition
Registered Association Number 034757894
Stadiongasse 2, 1010 Wien   




Ilja Weikum 

Ilja Weikum

Ilja Weikum was born in Bishkek, Kyrgyzstan and grew up in Berlin, Germany. He read his bachelor’s degree in Business and Law at the Technical University of Applied Sciences Wildau. Furthermore, he graduated with an LL.M. in Business and Law with a specialization in international business law at his alma mater. During his LL.M. he spent a semester abroad at the Shanghai Jian Qiao University.

He obtained a substantial amount of international mediation and negation experience during his Master studies. Ilja participated in the second edition of the Lex Infinitum competition in Goa, India. With his team, he obtained three awards and got through to the semi-finals.

Moreover, Ilja participated as an expert assessor for several international mediation competitions (e.g. 6th edition NLIU-INADR International Law School Mediation Tournament, 3rd Lex Infinitum, 5th Bucerius Mediation Competition). Ilja has been a member of the volunteering team of the IBA-VIAC CDRC Vienna completion since 2017.


Lisa El Imshati

Lisa El Imshati

Lisa studied law at the University of Vienna (Mag. Iur. 2019) and International Human Rights Law at the University of Groningen, NL (LL.M. 2020). Currently, she is doing her legal internship at courts in Vienna. She has always been passionate about Human Rights and now chosen it as her career path.
As internationality has always been a big part of her life, she is interested in different cultures and has travelled a lot. Throughout her studies, she worked in law and tax accountant firms, was an active member of ELSA (European Law Students Association) and as well as Amnesty International and became an International Alumni Ambassador for the University of Groningen.
Inspired by her participation in the 13th edition of the ICC Mediation Competition, she volunteered in the 4th Edition of the CDRC in Vienna and has now joined the Organizing Team as Co-Director of the CDRC. As such, she seeks to provide the unique experience she had at the ICC to all the participating students and experts at CDRC.


Marcus Bauckmann

Dr. Marcus Bauckmann, LL.M. is a lawyer and commercial mediator from Germany.

As a lawyer Marcus is focused on employment law and corporate law since 2008. He is a member of the board of the regional bar association and also a member of the “Alternative Dispute Resolution” committee at the Federal Bar Association.

Marcus is also working as a commercial mediator since 2012 and obtained his mediation training e.g. at the Program on Negotiation at Harvard Law School. Besides that he is active as a trainer and lecturer for mediation and negotiation e.g. at the Christian-Albrechts-University of Kiel, the Helmut-Schmidt-University of the German Federal Armed Forces in Hamburg and the Philipps-University Marburg.

Marcus has been a judge and mediator in various moot courts and mediation competitions since 2016 and joined CDRC Vienna as an Expert Assessor since 2019 and is a dry member of the director’s team since January 2021.

Organizing COMMITTEE

Alice Fremuth-Wolf (VIAC)

Alice Fremuth-Wolf

Alice Fremuth-Wolf is the Secretary General of VIAC since January 2018. Having studied law at Vienna University (Mag. iur. 1995, Dr. iur. 2002), Utrecht University (1994) and the London School of Economics and Political Science (LL.M. 1998), she served as an assistant professor at the Department of Civil Procedure Law at the Law Faculty of Vienna University. Before opening her own practice in 2004, she worked with major Austrian law firms and acted as party representative and arbitrator in international commercial arbitration cases. Alice Fremuth-Wolf has authored articles and books on arbitration and also serves as a lecturer for arbitration at the Law Faculty of Vienna University, where she was coach of the Vienna team for the Willem C. Vis International Commercial Arbitration Moot from 2004-2009. She is also a qualified mediator and is a co-organizer of the CDRC IBA-VIAC Consensual Dispute Resolution Competition in Vienna.


Claudia Winkler 

Claudia Winkler is a Negotiation Trainer specialized in training lawyers in the art and science of negotiating – with the other side and for more satisfaction with their own clients. An energetic and creative communicator she blends her variety of top legal educations with her international legal and business experience. Claudia received her Master’s and Doctor’s degree in European and International Law from the University of Linz and her LL.M. from Harvard Law School. Her professional experience reaches from law to government, non-for profit, start-up, university and international institutions. She has worked as the ADR development coordinator with the New York International Arbitration Center (NYIAC) during her time as a Fulbright scholar and is a licensed Mediator in New York. She has been the Director of the IBA-VIAC CDRC Vienna Mediation and Negotiation Competition in Vienna since its inception in 2015. As a trainer ( Claudia has worked with law firms, businesses, conferences and universities in the United States, Europe, Africa, Asia and Australia.


Nikolaus Pitkowitz (VIAC)

Nikolaus Pitkowitz is founding partner and head of dispute resolution at Pitkowitz & Partners, Vienna and Vice-President of VIAC. He holds law degrees from the University of Vienna (JD and PhD) and the University of Sankt Gallen, Switzerland (MBL) and is also qualified and certified as a Mediator. Dr. Pitkowitz has been practising law since 1985. His practice, which has always been very international with a strong focus on CEE, initially mainly comprised trans­actional work in the fields of Real Estate and M&A and soon expanded to international dispute resolution. Nikolaus Pitkowitz is considered one of the preeminent Austrian dispute resolution practitioners.


Gary Birnberg

Gary Birnberg

Gary Birnberg is a mediator and arbitrator specialized in international commercial disputes. He is associated with JAMS and listed with other prominent dispute resolution institutions in Brazil, France, Russia and the USA. A Fellow of the Chartered Institute of Arbitrators and a Florida Supreme Court Certified Circuit and Appellate Mediator, he has served as a neutral on hundreds of cases, including complex commercial, multi-party, multi-lingual, high-stakes, cross-border matters administered by the ICC, ICDR, and other prominent bodies. He currently is Co-Chair of the Mediation Committee of the IBA and is Chairman of the French-American Chamber of Commerce of Florida. He holds degrees from the University of Pennsylvania, Boston University School of Law, and INSEAD, and works in the English, French, and Portuguese languages.


Martin Hauser

Martin Hauser

Martin Hauser is a certified mediator in Germany and France. He leads national and international commercial mediations in English, French, and German. Martin has a legal background in intellectual property, IT, licences, distribution, competition, complex industrial projects, and international business law. 

With over 30 years of practice as a business lawyer in commercial litigation, international arbitration, and negotiations, Martin works full-time as a commercial mediator on the resolution of complex and emotional legal conflicts. 

He is accredited with mediation institutions such as ICC Centre for ADR, Paris, CMAP, Paris, WIPO Arbitration and Mediation Center, Geneva, EUCON, Munich, VIAC, Vienna, IFCM/IMI, Paris/The Hague, and listed with the Paris Court of Appeals and CNMA, Paris. 

Martin is Co-Chair of the IBA International Bar Association Mediation Committee. He is a Distinguished Fellow of the IAM, Dallas, and is selected by WWL Who’s Who Legal Mediation. 

Martin is a member of the Munich (Rechtsanwalt) and Paris (avocat honoraire) Bars. 

He practiced from 1988 to 2019 as a founding partner at BMH AVOCATS, Paris. From 1980 to 1983, he was a research fellow in French intellectual property and competition law with the Max-Planck-Institute for Innovation and Competition, Munich. Martin holds degrees of Master of Arts (M.A.) in negotiation and mediation from the European University Viadrina Frankfurt Oder (2015), Master of Comparative Jurisprudence (M.C.J.) from New York University (NYU) (1986), Doctorate in Law (Dr. iur.) from the University of Munich (1983) and law degrees from the Universities of Munich and Freiburg i. Br. (1985, 1979). 


Mary Walker

Mary Walker BA Hons LLB, Barrister, has been an ADR practitioner since 1990. During this period, as a member of an independent Bar, Mary has arbitrated, mediated, negotiated, facilitated multi-party, environmental and community disputes, designed dispute resolution systems and provided expert appraisal/expert determinations and facilitated expert panels and provided ombudsman services in respect to thousands of disputes across jurisdictions referred by solicitors, industry and government bodies and corporations, both domestic and international. Amongst other appointments Mary is Chair of the Law Council of Australia Federal Litigation and Dispute Resolution ADR Committee, Chair of the Law Council of Australia International Law Section and Co-Chair of the International Arbitration Committee. Mary is a board member of the Australian Centre for International Commercial Arbitration, Co- -Chair of the International Bar Association Mediation Committee and a member of the International Mediation Institute (IMI) Appraisal Committee. Amongst other appointments Mary was previously a President of the Australian Dispute Resolution Association and a member of the IMI Independent Standards Commission. Mary was awarded the Inaugural Australian Mediator of the Year Award in 2016 by the Australian Disputes Centre, again awarded Mediator of the Year in 2017 and 2018 and was also awarded International Mediator of the Year in 2018 and 2019. Mary was inducted into the Australian ADR Awards Hall of Fame as its Inaugural member in 2019. Mary was sponsored by Harvard to teach mediation with Professor Frank Sander in 1995. Mary is an internationally accredited Mediator and Mediation Advocate with the International Mediation Institute and is an accredited Investor- State Mediator with CEDR, London.