Bruno Rosenbaum is Head of Non-U.S. Litigation, based in Luxembourg. He assists institutional investors on navigating complex cross-border disputes, shareholder litigation, and corporate governance matters, ensuring clients maximize their legal remedies in both domestic and global markets.

With deep expertise in securities litigation, arbitration, and passive claims filing, Mr. Rosenbaum works closely with asset managers, pension funds, and sovereign wealth funds. He assists clients in evaluating opportunities to recover investment losses through a range of legal avenues, including U.S. class actions, opt-out cases, and non-U.S. collective actions across North America, Europe, Asia, Australia, and Brazil.

Mr. Rosenbaum has played an integral role in a number of high-profile cases, guiding clients through litigation strategies tailored to their specific jurisdictions and regulatory environments. Before joining KSF, he practiced at leading international law firms in New York, Paris, Luxembourg, and Miami, focusing on securities litigation, international arbitration, and corporate transactions. His multilingual proficiency—he speaks seven languages—allows him to effectively bridge legal and cultural differences when advising a global client base.

Mr. Rosenbaum is a frequent speaker at investor conferences throughout Europe, where he provides insights on shareholder litigation, corporate governance, and investment loss recovery. He regularly engages with institutional investors, asset managers, and pension funds to discuss emerging trends, cross-border litigation strategies, and the evolving regulatory landscape affecting investor rights.

A graduate of Columbia Law School, where he served as an editor for the Columbia Journal of European Law, Mr. Rosenbaum also holds an MBA and a Master II in Business law from Panthéon-Assas Paris II and a Master I in Business law from Panthéon-Sorbonne Paris I.

Bruno Rosenbaum has been named to Pension & Investments’ list of 2025 Rising Stars, recognizing individuals who are reshaping the future of institutional investment. He was additionally appointed to the publication’s 2026 Ambassador Council, which is composed of the top group of honorees.

* Our Luxembourg representative office is not a law firm and does not provide legal services.

Recent Insights & News

• WorldPensionSummit announces top 15 Rising Stars
• Corporate law showdown: the battle for incorporation supremacy in the United States
• Institutional investors affected by securities fraud should act in the interests of their clients.
• Securities Class Actions Explained: Lead Plaintiff and Investor Rights. An Interview with KSF’s Bruno Rosenbaum for French Financial Media AGEFI.
• Les investisseurs institutionnels victimes de fraude boursière doivent agir dans l’intérêt de leurs souscripteurs
• Beaucoup d’investisseurs victimes de fraude boursière ne cherchent pas à en obtenir réparation