Mr. de Stefano began his career working on major international energy transactions and various major financial restructurings during the financial crisis of 2008 at Curtis, Mallet-Prevost Colt & Mosle LLP. He moved in-house with Apache Corporation and Diamond Offshore where he deepened his energy expertise.

His experience includes representing various multinational corporations and governments in major projects, numerous LNG projects across the value chain, upstream acquisitions, onshore and offshore oil field services, and oil industry maritime matters.  He has represented his clients in transactions spanning the globe, including Latin America, East Asia, the Middle East and Africa in a diverse set of major transactions including corporate structuring, project finance and joint ventures, mergers, dispositions, and acquisitions, joint operations, supply chain, production sharing, LNG sales and purchases, drilling, construction, and technology licensing.