Yvette Ostolaza

YVETTE OSTOLAZA is Sidley’s Management Committee chair and an Executive Committee member. Yvette is one of the world’s foremost business litigators, delivering winning results for clients at each stage of complex multijurisdictional commercial disputes and corporate investigations. Her litigation work and ability to solve her clients’ most difficult litigation problems have garnered her numerous accolades and recognitions, including a Band 1 ranking in Chambers USA Texas Litigation: General Commercial and “National Commercial Litigation Star” recognition in Benchmark Litigation.

Yvette is admitted in NY and TX and litigates trial and appellate matters in U.S. state and federal courts on behalf of global clients. She has significant experience in MDL, crisis management, activist defense, bankruptcy, arbitration, and securities litigation cases. She coordinates and tries proceedings in a variety of arbitration venues, serves on the Roster of Neutral Arbitrators for the AAA for commercial litigation matters, and sits on the CPR Panel of Distinguished Neutrals as an arbitrator. She served as the vice chair, Ethics and Investigations Subcommittee of the ABA Corporate Governance Committee.

Yvette is highly experienced in providing on-point guidance to boards and senior-level executives during periods of corporate turbulence. Chambers Crisis & Risk Management recognized her as a leader of the firm’s Band 1 Nationwide USA Crisis Management practice and as one of a very small number of notable practitioners nationwide in the area of crisis management. She routinely leads complex internal investigations on behalf of companies, board committees and individual directors, and she defends companies/directors in shareholder and securities class actions. Yvette currently serves on the board of directors of Lionsgate and has served on several nonprofit boards, as well as the Board of Directors of the State Bar of Texas.