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Simpson Thacher Strengthens Derivatives Bench

04.22.25

Simpson Thacher & Bartlett LLP today announced that Marc Langer has joined the Firm’s New York office as a Partner in the Derivatives Practice.

“Marc’s extensive experience in designing and executing tailored derivatives matters will be an asset to our clients who are seeking advice on highly complex structured transactions,” said Alden Millard, Chair of Simpson Thacher’s Executive Committee. “We are pleased to welcome him to the Firm.”

Marc advises on the structuring, negotiation and execution of derivatives and other structured transactions, as well as related regulatory matters. He has deep experience advising on corporate equity derivatives transactions, and advises on OTC equity derivatives, regulated swaps, systematic trading strategies and margin lending, among other matters. He joins Simpson Thacher from Goldman Sachs & Co., where he was Vice President and Senior Counsel. In his role, he served as senior counsel to Goldman Sachs’s trading and business divisions on structured derivatives and provided guidance on U.S. federal securities laws, SEC and CFTC rules, broker-dealer and FINRA regulations, among others. Prior to Goldman Sachs, Marc was in private practice at another international law firm.

“Marc’s background and skill in providing strategic advice on innovative equity derivative transactions are uniquely suited to our practice,” said Jonathan Lindabury, Head of Simpson Thacher’s Derivatives Practice. “His addition greatly enhances our Derivatives bench and underscores the Firm’s commitment to providing clients with comprehensive commercial advice on bespoke derivatives matters.”

Simpson Thacher’s Derivatives Practice advises clients on the full array of their hedging and financing needs. The team, which has been recognized as an industry leader by Chambers USA, Chambers Global and IFLR1000, counsels major financial institutions, corporations, hedge funds, private equity funds, mutual funds, insurance companies, sovereigns and high-net-worth individuals.

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