Penny Madden KC

Penny Madden is an English qualified King’s counsel and serves as co-partner in charge of the London office at Gibson, Dunn & Crutcher. She is co-chair of the International Arbitration Practice Group and a member of the firm’s Transnational Litigation Practice Group.

She has a wide range of experience in all key aspects of international arbitration with particular expertise in shareholder, telecommunications, SPA, energy, international trade and insurance disputes. She represents clients across the globe in a wide variety of arbitration proceedings, including those before the London Court of International Arbitration (LCIA), International Chamber of Commerce (ICC), United Nations Commission on International Trade Law (UNCITRAL), International Centre for Settlement of Investment Disputes (ICSID), Permanent Court of Arbitration in The Hague (PCA) Singapore International Arbitration Centre (SIAC), Hong Kong International Arbitration Centre (HKIAC) and London Maritime Arbitrators Association (LMAA), as well as in ad hoc proceedings. In addition to representing clients as counsel, Penny regularly sits as an arbitrator.

Her recent cases include representing two Middle Eastern oil and gas companies in multiple LCIA arbitrations arising out of a multi-billion oil and gas project in Kurdistan and disputed gas pipeline; representing a Middle Eastern oil and gas company in a multi-billion PCA administered arbitration against a state owned Middle East oil and gas company in a gas sales and pipe-line infrastructure project dispute; representing a telecommunications corporate in its US$17 billion dollar UNCITRAL investment treaty arbitration against a North African state for creeping expropriation and breach of the fair and equitable treatment standard; and representing shareholders in a major oil company with respect to multibillion dollar claims for expropriation under the Energy Charter Treaty against the Russian Federation.