Simpson Thacher & Bartlett LLP

Simpson Thacher & Bartlett LLP has longstanding experience in the oil and gas sector, handling upstream, midstream, LNG, and petrochemical matters, alongside energy transition projects like carbon capture and alternative fuels. Breen Haire spearheads the energy and infrastructure practice group and is reputed for the breadth of his company and asset portfolio deal sheet, while Christopher May, co-managing partner of the firm’s Houston office, has established strength advising financial sponsors and infrastructure funds on M&A and corporate transactions. Brian Rosenzweig is highly regarded for his capital markets expertise, regularly assisting corporates, financial institutions, and private capital advisors, while also handling a broad range of financings, including leveraged and acquisition finance. Erland Modesto is active across the entire oil and gas value chain, with particular proficiency in debt finance and restructuring. Katy Lukaszewski has recently advised on strategic natural gas pipeline joint ventures, large-scale upstream asset acquisitions, and the establishment of sustainable infrastructure investment ventures. Andrew Lanius is another key name for greenfield and brownfield finance. All individuals are based in Houston.