Deborah has extensive experience in multi-jurisdictional disputes, specialising in high-value and complex international arbitration, including, amongst others, in the energy,  infrastructure and construction, telecommunications, insurance and financial sectors.   She has dealt with numerous disputes involving shareholder issues, mergers and acquisitions, earn-out provisions, trusts, trade finance and financial instruments. She has conducted numerous international arbitration cases, both under the various institutional rules and on anad hoc basis. She regularly represents clients in arbitrations under the rules of the LCIA, the ICC, the Swiss, Stockholm and DIAC rules, as well as, amongst others, the CIETAC and UNCITRAL Rules. In addition to London-seated arbitrations, she has advised on and/or conducted arbitrations in the major arbitration centres such as Beijing, Hong Kong, Singapore Paris, Geneva, Zurich, Stockholm, Dubai and New York, as well as in a variety of other jurisdictions.  She has advised on disputes arising out of Bilateral Investment Treaties, dealing with such issues as creeping expropriation, unfair and inequitable treatment, Most Favored Nation (MFN) clauses and windfall taxation. Deborah also represents clients in arbitration-related litigation matters, including obtaining freezing orders and other interim relief in support of arbitrations, enforcement of awards worldwide, sovereign immunity issues and jurisdictional battles. Her work has been recognised in the arbitration sections of directories such as theLegal 500 and Chambers. Chambers have described her as having "a steely focus on the key issues and driving home the arguments". She has spoken at a number of international conferences and seminars. Deborah also has "hands-on" business experience and, before becoming a lawyer, worked in a financial role in the City and for a major state oil company. Deborah conducts her own advocacy in arbitration proceedings.