Duncan Speller is a partner in the firm's Litigation Department, and Co- Chair of Willkie’s Arbitration Practice Group. Duncan is based in the London office, where he practices International Arbitration and English High Court Litigation. Duncan is an English barrister. He has significant experience of conducting oral advocacy as a first chair and has successfully represented clients as an advocate on some of the most challenging, high-value and complex cases over the past decade. Duncan has represented clients in over two hundred institutional and ad hoc arbitrations, sited in both common and civil law jurisdictions, including England, New York, Hong Kong, Singapore, Dubai, France, Switzerland, Sweden, Denmark, Austria and Germany. Duncan also has substantial experience of international commercial litigation in both the English Court of Appeal and in the Commercial and Chancery Divisions of the High Court. He has particular experience of arbitration and litigation concerning aviation, oil and gas, mining and resources, insurance and reinsurance, private equity, telecommunications, banking and competition law issues. Duncan sits as an arbitrator and has been appointed as arbitrator or emergency arbitrator by multiple arbitral institutions. Duncan has sat on the Governing Body of the Bucharest Court of International Arbitration since 2017 and has been appointed to the panels of multiple arbitral institutions.