Thompson & Knight LLP

Andrew B Derman

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Practice Areas

With a concentration on oil and gas investment projects and cross-border transactions, Andy focuses on providing legal and commercial support in connection with acquisitions, divestments, trades, and mergers; commercial and business advice; large infrastructure projects, including LNG, GTL, and refineries; JOAs; nationalization/expropriation; anti-corruption (FCPA) and sanction advice; unitizations; boundary disputes; exploration, development, and production operations; production sharing contracts; negotiations; and dispute resolution (litigation, arbitration, expert testimony). He has assisted clients in more than 50 countries on six continents.


Served for 20 years as an executive and attorney for Sun Oil Company and its successor, Oryx Energy Company.