About
Yvette Ostolaza is a nationally respected trial lawyer known for guiding organizations through high-risk disputes, investigations, and crisis situations. Her work spans complex commercial litigation, securities matters, and board-level advisory roles. Clients rely on her strategic judgment, courtroom strength, and steady leadership during critical moments.
Yvette built her academic foundation through disciplined legal training and honors-level study. She earned a B.A. in 1985, with honors from the University of Miami. She later completed her J.D. in 1992, magna cum laude, at the University of Miami School of Law. These studies shaped her analytical approach and professional discipline.
Yvette focuses on commercial litigation, crisis management, securities and shareholder disputes, white collar defense, and complex investigations. She advises boards and executives facing urgent legal threats, coordinates multijurisdictional proceedings, and leads trials and appeals. Her guidance helps clients reduce exposure, resolve disputes, and protect long-term business stability.
Yvette has received wide recognition for excellence in litigation and leadership. Her honors include the Margaret Brent Women Lawyers of Achievement Award, the M. Ashley Dickerson Diversity Award, and the Mari Carmen Aponte Award. She was also named Litigator of the Year at the Women in Business Law Americas Awards.
Yvette has also been recognized by Forbes on the America’s Top 200 Lawyers list and the 50 Over 50 list. Benchmark Litigation named her among the Top 250 Women in Litigation, while Chambers USA consistently ranked her in Litigation: General Commercial for Texas. These distinctions reflect sustained performance and client trust.
Yvette Ostolaza remains dedicated to resolving high-stakes disputes with clarity and purpose. Her career reflects deep courtroom experience, thoughtful advisory work, and commitment to fair outcomes. Through strategic advocacy and principled judgment, she has helped companies, boards, and stakeholders move forward during their most challenging legal moments.
Law Office Affiliations
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Partner, Sidley Austin LLP
- Member, State Bar of Texas
- Member, New York State Bar Association
- Member, National Association of Women Lawyers
Licensed State
- Texas
- New York
Education
- University of Miami School of Law
Juris Doctor (JD) - University of Miami
Bachelor of Arts (BA)
Awards & Badges



- Business Litigation
- Financial Markets And Services
- Oil And Gas
- Securities Litigation
- Employment Litigation
- Litigation
- White Collar Crime




