Morgan, Lewis & Bockius LLP

Morgan, Lewis & Bockius LLP advises on a wide range of derivatives transactions and has capabilities in contentious matters. The team’s client base primarily includes global financial institutions and energy companies. New York‑based Thomas D’Ambrosio co‑leads the practice and is experienced in underwritten equity‑forward transactions, derivatives, repurchase agreements and securities‑lending matters, as well as regulatory issues. Fellow co‑head Stacie Hartman, based in Chicago, represents brokerage firms and global financial institutions and has recently handled cross‑border disputes involving the English High Court of Justice and US federal courts. She is also well placed to advise on CFTC investigations and mandates involving the US Department of Justice. In Boston, Katherine Dobson Buckley co‑leads the group and advises on repurchase agreements and securities loan transactions, frequently acting for hedge funds and investment advisers. Washington‑based Rob Schwartz, who joined from the US Commodity Futures Trading Commission in April 2025, focuses on regulatory and enforcement matters and litigation involving the CFTC. In New York, Penny Christophorou is well-versed in SEC‑related matters, repurchase transactions and advising on close‑out and netting rights under the US Bankruptcy Code and other insolvency regimes.