Johannes Willheim has more than 20 years of experience as party representative, arbitrator, and mediator in international arbitration and litigation as well as counsel in aviation and energy-related transactions and regulatory matters. He is particularly sought after around the globe for his in-depth experience in the aviation, energy, and life sciences sectors as well as in antitrust law and government regulation. His representations and arbitrator appointments include agency, co-operation, corporate and post-transaction, engineering and construction, distribution, family, insurance, IP (intellectual property), pricing, and regulatory disputes.
Johannes is an authority in energy pricing disputes. As counsel, he has advised and represented energy companies along the value chain throughout the liberalization of EU energy markets and is currently doing the same on a global scale in the context of energy transition.
Leading international arbitral institutions, such as the ICC (International Chamber of Commerce), the DIS (German Arbitration Institute), and VIAC (Vienna International Arbitral Centre) appoint Johannes regularly as arbitrator. He is a vetted arbitrator of the The Hague Court of Arbitration of Aviation (HCAA) and the Court of Arbitration for Art (CfA).
Johannes is a co-editor and author of the GAR Guide to Aviation and Space Disputes and has published extensively on a myriad of legal topics. He is a regular guest lecturer at leading academic institutions like the Strauss Institute for Dispute Resolution at the Law School of Pepperdine University, the University of Chicago Law School, and the University of Stockholm as well as a frequent speaker at legal and industry conferences.
Johannes is based in Frankfurt and Paris.
Experience
Additional Speaking Engagements
- November 9, 2023
Miami Arbitration Week (MAW) 2023 - Aviation & Aerospace Disputes - October 13, 2023
GAR (Global Arbitration Review) Live – Arbitration as Part of Competition Remedies - October 12, 2023
South-Eastern Europe Arbitration Conference – Unlocking the Future Trends in International Arbitration - September 21, 2023
Inside VIAC (Vienna International Arbitral Centre) - Effiziente Streitbeilegung nach den Wiener Regeln (Efficient Dispute Resolution Under the Vienna Rules) Frankfurt, Germany - September 4, 2023
Inaugural Armenia International Arbitration Conference – Types of Emerging Climate Change-Related Disputes and Suitability of International Arbitration as a Dispute Mechanism - July 24, 2023
Austrian Arbitration Academy - Energy Arbitration – Law and Practice - July 7, 2023
CDRC 2023 Inaugural Pre - Moot Conference - July 2, 2023
Summer Elsa Law School - May 2, 2023
Flame 2023 - April 28, 2023
Hybrides Juristisches Forum - March 27–31, 2023
Paris Arbitration Week - Specialised Dispute Resolution Within the Aviation Industry Has Taken Off - March 27, 2023
European Gas Conference 2023 - March 27–29, 2023
European Gas Conference 2023 - Securing Long-Term LNG Supplies to the EU Amids Energy Transition - March 21, 2023
eFlame – Enabling and Protecting New Investments in Gas Infrastructure in Europe - November 10 and 11, 2022
IV CBMA International Mediation Conference - Integrated Disputes Management – From Process Based to Solution Motivated Disputes Management - October 5, 2022
eFlame: The building blocks of a new generation of LNG supply agreements for global LNG markets - September 15, 2022
Danish Arbitration Day - Gas Disputes - Past, Present and Future - September 8, 2022
ICC Young Arbitration & ADR Forum (YAAF) - Psychology in Arbitration and Mediation – The Impact of Bias - July 9, 2022
ELSA Dispute Resolution Summer Law School 2022 – Planning a Future Career in Dispute Resolution: The Art of Advocacy - June 22, 2022
Center for American and International Law Webinar - Paradigm Shift in the Regulation of EU Energy Markets, Russia/Ukraine Conflicts, and US and Global Energy Markets - June 21, 2022
Singapore Institute of Arbitrators (SIArb) Webinar Series: Focus on Energy Disputes – Part 1: Gas - May 13, 2022
12th Annual Roschier Arbitration Forum 2022 – Assessing, Presenting and Proving Damages for Breach of Share Purchase Agreements - May 3-5, 2022
Flame – Europe’s Largest Gas and LSG Event – Gas Pricing Arbitrations - April 27, 2022
American German Business Club (AGBC) – The Impact of the Irreversible Paradigm Shift on EU Energy Markets on EU-US Energy Relations - April 19, 2022
Houston International Arbitration Club (HIAC) April Meeting – The Global Oil & Gas Industry Shaken Up and How the Markets Are Responding - April 18-19, 2022
3rd Annual In-Person Hydrogen & LNG Forum 2022 – The Irreversible Paradigm Shift in European Energy Markets and the Dilemmas Caused by It - March 31, 2022
8th Harvard International Arbitration Conference Program, Panelist — Arbitrators' Powers to Review Contracts — Hardship and Force Majeure in Comparative Perspectives - February 23-24, 2022
4th Energy Sustainability Forum 2022, Keynote on Managing Commercial and Legal Risks in Global Gas Markets - December 8-9, 2021
2nd Energy Transition and Innovation Forum organized by U.S. Energy Stream, Keynote Presentation on Managing Risks from Decommissioning Oil & Gas Infrastructure - September 15, 2021
17th Annual Frankfurt Drafting School - Introductory Lecture on International Commercial Arbitration - April 9, 2021
A Primer on Integrated Dispute Resolution - November 11, 2020
Jones Day Speaker Series, Peking University - Introduction into International Arbitration - October 13, 2020
Flame Virtual - Dealing with Force Majeure and other legal and commercial risks in present times. - October 13, 2020
LNG Amsterdam - Dealing with Force Majeure and Other Legal and Commercial Risks in Present Times - October 12, 2020
Flame Virtual - Managing price risks and disputes in globalizing gas markets. - November 4, 2019
2nd Houston Gas & LNG Forum 2019 Managing Price Reviews in Global Gas Markets - July 11, 2019
International Dispute Professional Academy - July 7, 2019
2019 Consensual Dispute Resolution Competition (CDRC) Vienna - June 18, 2019
9th Annual European Gas & LNG Supply Contracts Forum - May 30 - June 8, 2019
Pepperdine University 2019 Summer Intensive Program in International Commercial Arbitration - April 16, 2019
The Midnight Clause - March 20, 2019
Workshop on Law and Democracy in Europe - March 7, 2019
2nd Annual GAR Live Zurich - March 2, 2019
2019 Vienna Arbitration Days - February 22, 2019
Keynote Speech - The Future of Dispute Resolution – Evolutionary Transformation Without Disruption - February 21, 2019
2018-2019 Lunch Series on International Arbitration: Lecture 3 - January 29, 2019
A Panel, presented by the Law School of the University of Chicago, on Building an International Career in Law - January 28, 2019
2018-2019 Lunch Series on International Arbitration: Lecture 2 - December 18, 2018
41th “Competition Talk” organized and hosted by the Austrian Federal Competition Authority - December 4, 2018
Art Law Symposium - July 26 - August 8, 2018
Master of Laws (LL.M.) in Dispute Resolution Pepperdine University - July 17, 2018
Consensual Dispute Resolution Competition (CDRC) - June 20, 2018
C5 Long Term Gas Supply Contracts: Europe - June 7, 2018
V Allerhand Arbitration & Dispute Resolution Summit - June 6, 2018
Open Event accompanying the V Allerhand Dispute Resolution, Mediation and Arbitration Summit - May 22-23, 2018
C5 Upstream Oil & Gas Legal Forum - May 14-17, 2018
Flame 2018 - Europe's Largest Midstream Gas & LNG Event - April 26, 2018
GAR Live Zürich - April 10-11, 2018
C5 Long Term Gas Supply Contracts: Asia 2018 - April 5-6, 2018
Advanced International Arbitration - Master Program on International Commercial Arbitration Law (ICAL) - December 13-14, 2017
5th Frankfurt Gas Forum 2017 - October 11, 2017
International Bar Association Annual Conference - Some Like it Hot: The Art of Mediating Disputes Between Law Firms, Lawyers and Staff - September 29, 2017
DAV Turkey 3rd International Arbitration Congress, Istanbul Arbitration Centre - September 28, 2017
New Perspectives on the Advantages of Resolving International Commercial Disputes in International Arbitration - July 31 - August 6, 2017
ELSA Vienna Summer Law School on Dispute Resolution 2017 - July 10-14, 2017
The Consensual Dispute Resolution Competition (CDRC) - May 25-28, 2017
ELSA Freiburg Spring Conference on International & European Law - April 28, 2017
Master Program on International Commercial Arbitration Law (ICAL) - March 24, 2017
Global Pound Conference - Shaping the Future of Dispute Resolution & Improving Access to Justice - February 27-28, 2017
Long Term Gas Supply Contracts: Asia 2017 - February 14-19, 2017
International Summit on Arbitration (ISA) - January 24-25, 2017
Upstream Oil & Gas Legal Forum 2017 - November 3-4, 2016
European Gas Transmission Conference - September 27-28, 2016
DIS Autumn Conference - July 31 - August 7, 2016
The 5th ELSA Law School on Dispute Resolution - May 19, 2016
Jones Day Breakfast - Resolving Disputes of Financial Transactions in Arbitration – Revealing the Secrets - February 24, 2016
Why Major International Disputes Can Often Be Better Resolved in Arbitration - February 22, 2016
Commercial, Political, and Regulatory Risks in Foreign Operations - February 9, 2016
The European Gas Market: Supply and Demand Dynamics Exclusive Roundtable - January 19-21, 2016
9th Annual European Gas Conference 2016 - November 3-4, 2015
The International Gas Conference - September 29, 2015
Energy Series - Resolving Energy Disputes - September 16, 2015
The Usage of Authorities in Memoranda, 11th Annual Frankfurt Drafting School, Frankfurt Moot Alumni Association - 15. September 2015
Energietage 2015: Ölindizierte Verträge als Auslaufmodell? Zukunft der Preisformeln in Langfristverträgen (Oil-indexed agreements a phase-out model? The future of price formulae in long-term agreements) - September 14-16, 2015
18th IIR Annual Industry Meeting: Natural Gas 2015 - September 14-16, 2015
11th Annual Frankfurt Drafting School 2015, Frankfurt Moot Alumni Association (FMAA) - August 2015
Introduction into International Arbitration, ELSA Dispute Resolution Summer School - July 2, 2015
5th Annual Congress on Successfully Negotiating & Renegotiating Long Term Gas Supply Contracts: Assessing the Landscape for Pricing Disputes Across Europe - June 19, 2015
Access to essential infrastructure and IP, IBA/AI Seminar, Enforcement of EU Competition Law at National Level
- The University of Chicago (LL.M. 2004); King's College London (Postgraduate Diploma in EC Competition Law 2003); University of Vienna (Dr. iur. 2002; Mag. iur. 1997); University of St. Gallen (Master of European and International Business Law 2001); Yale University (Summer programs in Business and Law, 1991 and 1992)
- Federal Republic of Germany and Austria
Best Lawyers in Germany (2020): recognized for international arbitration
Chambers Global (2020); recognized for foreign expertise in Austria
Member of an arbitration team recognized by Global Arbitration Review as one of the leading international arbitration law firms in the 2020 edition of the GAR 30
- German, English, French
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