
Commercial Litigation
Crisis Management
Securities Litigation
White Collar Defense
Internal Investigations
Arbitration
Bankruptcy Litigation
Energy
Yvette Ostolaza is a Partner at Sidley Austin, where she serves as the Management Committee Chair and an Executive Committee member. Based in Dallas, she is recognized as one of the world's leading business litigators, specializing in complex multijurisdictional commercial disputes and corporate investigations. Yvette has extensive experience in crisis management, securities litigation, and arbitration, representing global clients in high-stakes matters. Her strategic acumen and commitment to excellence have earned her numerous accolades, including a Band 1 ranking in Chambers USA for Texas Litigation. Yvette is admitted to practice in New York and Texas and is a sought-after advisor for boards and senior executives during corporate turbulence.
Representative Matters
Securities and Shareholder Litigation
Commercial and Antitrust Disputes
Mass Actions and Multidistrict Litigation
Internal Investigations and Crisis Management
Ability Insurance Company
Apache IS
Aspen Insurance
Best Buy
CEC Entertainment
Deutsche Bank
Eagle-Picher Technologies
Forescout Technologies
Forterra
Halliburton Company
Healthmarkets
HIT Entertainment
MasterCard International
Mid-West National Life Insurance Company
Navigators Group
Neiman Marcus Group
Phone Directories Company
Pilgrim’s Pride Corporation
SAExploration
Tenet Healthcare Corporation
Texas Pacific Land Trust
Zale Corporation
Sally Beauty Supply
Partner
2016 – Unknown
Managing Partner
2013 – 2016
Litigation Partner
1991 – 2013
JD, University of Miami School of Law
1992
BA, University of Miami
1985