Knowledgeable in economics, finance, and numerous technical subject matters, our multi-disciplinary, high-performing team of expert witnesses, economists, and financial analysts provides expert testimony on damages, valuation, and a wide variety of subject matters in international disputes.

Operating from offices around the world, Nathan’s multilingual, multinational experts are familiar with the major arbitration tribunals, including the International Court of Arbitration of the International Chamber of Commerce (ICC) and the International Centre for Settlement of Investment Disputes (ICSID). Our holistic approach combines work in the economic analysis of commercial and investment disputes with leadership in private sector development and regulatory, infrastructure, and fiscal reform. We advise in over 25 subject matter areas, including insurance, environmental, ports, and telecom issues, within most sectors.


Horewitz, Jessica  Nathan Associates

Jessica Horewitz

Senior Vice President
+1 703 679 8616
Stehpen Johnson - Nathan Associates

Stephen A. Johnson

Senior Vice President
+1 650 260 5344
Ram Tamara Nathan Associates

Ram Tamara

Vice President


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