IBA-VIAC CDRC Vienna Mediation Conference 2025

Nadja Alexander

SGP

Key Note @ 12:00 noon

Anne-Karin Grill

AUT

Moderator | Panel 1 @ 1:00 pm

Andrew Miller KC

UK

Presenter | Panel 1 @ 1:00pm

Linda Heng

SGP

Presenter | Panel 1 @ 1:00pm

Jean-Christophe Barth

CHF

Presenter | Panel 1 @ 1:00pm

Gary Birnberg

BRZ

Presenter | Panel 1 @ 1:00pm

Gary Birnberg, a mediator and arbitrator specialized in cross border commercial disputes, particularly in aviation, arts/sports/entertainment, and insurance, has completed over 1,000 cases, valued into billions of Euros. He is a Fellow of CIArb and NADN, a Distinguished Fellow of IAM, and an IMI Certified Mediator. A previous (co)chair of IBA Mediation Committee, Florida Chapter of CIArb, and the French-American Chamber of Commerce of Florida, he is an Advisory Board member of HagueCAA (Chair), JAMS Foundation, Mediation Hub MENA. He is a member of JAMS and is an approved neutral of over 25 institutions in the Americas, Asia, Europe, MENA. Degrees from University of Pennsylvania (BA), Boston University School of Law (JD), and INSEAD (MBA), he has been called to the bars of four US states. He worked previously in management consultancy, including at Oliver Wyman in Paris. Citizenship: USA. Resident: Brasil. Languages: English, French, and Portuguese. 

Corrado Mora

ITA

Presenter | Panel 1 @ 1:00pm

Corrado Mora is an internationally recognized mediator and dispute resolution expert with over 20 years of experience managing complex, cross-border, and multiparty conflicts. His work spans civil, commercial, IP, sports, workplace, climate, and business disputes. As a Fellow of the Chartered Institute of Arbitrators (CIArb) and accredited by both CIArb and CEDR, Corrado is known for his deep expertise in mediation and negotiation.

He serves on the panels of leading global institutions including ICDR-AAA, WIPO, CPR, CEDR, CAS/TAS, ADGM, and CAM, and is on the OECD’s Responsible Business Conduct mediator roster. Corrado is also a respected trainer and academic, serving as Senior Faculty at CIArb and Professor at the University of Trento, where he focuses on Negotiation and Mediation, in collaboration with institutions worldwide.

An ADR consultant to organizations such as the UN, UNDP, and USAID, Corrado supports global efforts in conflict management and mediation. He holds an LL.M. in Alternative Dispute Resolution and Mediation.

Joan Stearns Johnsen

USA

Presenter | Panel 1 @ 1:00pm

James Claxton

DEN

Moderator | Presenter | Panel 2 @ 3:30pm

Natascha Tunkel

AUT

Presenter | Panel 2 @ 3:30pm

Natascha Tunkel is a highly accomplished lawyer and mediator with over fifteen years of experience in complex dispute resolution. She advises clients across all stages of proceedings, from initiation to enforcement, with a focus on commercial disputes in sectors such as technology, life sciences, energy, engineering, and intellectual property. Her academic background in procedural and insolvency law, paired with her practical expertise, makes her especially effective in multi-forum disputes. Recognized for her strategic insight and commercial acumen, Natascha acts as counsel, arbitrator, and mediator, delivering clear and pragmatic solutions even in the most challenging cases. She leads KNOETZL’s investigations team, bringing strong analytical skills and experience in asset tracing and data forensics to high-stakes matters. As a mediator, her calm, impartial approach and ability to distill complex issues into actionable strategies consistently achieve strong outcomes. She serves on the VIAC Mediation Advisory Board and as Vice Chair of the IBA Mediation Committee.

Judith Knieper

AUT

Presenter | Panel 2 @ 3:30pm

Orna Rabinovich

ISR

Presenter | Panel 2 @ 3:30pm

James South

UK

Presenter | Panel 2 @ 3:30pm

Ulrich Mans

NLD

Presenter | Panel 2 @ 3:30pm