Mr. Ryssdal has served as chairman and sole arbitrator in more than 15 international institutional and ad hoc arbitrations encompasssing a wide array of general business law disputes, as well as cases from the offshore, oil and energy sector. He also holds extensive practice as counsel in the same kind of disputes in arbitrations and before the general courts.
He has served on panels appointed by the SCC, ICC, Oslo Chamber and Copenhagen Chamber, as well as in UNCITRAL and domestic ad hoc arbitrations.
He is a member of the ICC International Court of Arbitration, and the chairman of the Norwegian Oil and Energy Arbitration Association.
Extensive experience as arbitrator in international institutional ad hoc and UNCITRAL arbitrations including a number of assignments as chairman and sole arbitrator.
Extensive experience as counsel in a number of disputes before Norwegian courts including the Supreme Court.
Member of the ICC Court of Arbitrations.
President of the Norwegian Oil & Energy Association.
Partner Lawfirm Wiersholm AS, from 1993.
Research Fellow at the Faculty of Law, Oslo, 1989 - 1993.
Attorney with the Solicitor General (Regjeringsadvokaten), 1984 - 1989.
Arbitrator in joint venture arbitrations.
Advisor in price revision case - competition law.
Co-counsel in FPSO delivery arbitration.
Arbitrator in rig cost sharing arbitration.
Arbitrator in UNCITRAL arbitration on cost of oil services equipment.
Counsel in dispute on heavy lift contracts.
Counsel in arbitration on hydroelectric power plant tariffs.
Author of legal thesis on joint venture.