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David Orta is the head of the international arbitration practice in Washington, DC and Latin America for Quinn Emanuel Urquhart & Sullivan LLP. Chambers Global and Chambers Latin America report that clients call David Orta a 'tenacious' advocate, 'a vastly experienced attorney who inspires real confidence, with a remarkable ability to see all the angles'. They also report that Mr Orta wins praise from clients for his dedication and 'goes above and beyond to get the best result'.

David is a trial lawyer and arbitration advocate with many years of experience successfully representing clients all over the world in complex international arbitrations (including investor-state (treaty) arbitrations and complex, international commercial arbitrations) and complex, commercial transnational litigations. David's clients and cases have spanned most continents, including North America, Central America, South America, Europe, Asia, Africa and Australia. David represents both governments and investors in international arbitration matters. His experience spans many sectors, including energy, oil and gas, transportation, infrastructure, construction, power plant, telecommunications, mining, and post merger and acquisition disputes.

David has handled numerous investor–state arbitrations under bilateral and multilateral investment treaties administered under the auspices of the International Centre for Settlement of Investment Disputes. David also has represented clients in treaty and commercial ad hoc arbitrations administered under UNCITRAL Rules and international commercial arbitrations administered by the International Court of Arbitration of the International Chamber of Commerce, the London Court of International Arbitration and the International Centre for Dispute Resolution.