LAWYER PROFILE
Michael O'Donnell

Michael O'Donnell

USA 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

Litigation: General Commercial

Texas: San Antonio & Surrounds

6 years ranked

About

Provided by Valkenaar O'Donnell PLLC

USA

Practice Areas

Litigation and disputes; Class actions; Securities litigation, regulation and enforcement; International arbitration

Career

Mike O’Donnell has extensive first chair jury trial experience in cases involving hundreds of millions of dollars of claimed damages. He has also taken the lead in a broad array of evidentiary hearings, including hearings to address class certification, the admissibility of expert testimony, injunctive relief, invalidation of liens and lis pendens, election contests and the validation of public securities. This courtroom experience is essential to his early, comprehensive evaluation of cases leading to successful early dispositive motion strategies, settlement of high-stakes claims and resolution of entangled business divorces without a lawsuit ever being filed.

Professional Memberships

Texas Bar Foundation (Fellow); San Antonio Bar Foundation (Fellow); United States Supreme Court Historical Society; Texas Association of Bank Counsel; The San Antonio Children's Museum (Executive Committee and Director; former Board Chair).

Personal

JD, with honors, The University of Texas School of Law; BA, Wesleyan University

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Litigation: General Commercial - Texas: San Antonio & Surrounds

Star Individual
Star Individuals

Individual Editorial

Michael O'Donnell of Valkenaar O'Donnell PLLC has a wealth of commercial litigation expertise, offering adept handling of trials and arbitrations.

Strengths

Provided by Chambers

  • Michael is super-smart and understands all the issues. He is great on communications and makes them easy to digest for clients. He is a great partner to us.

    Litigation: General CommercialChambers Guide to the USA

Ranked Individuals at Valkenaar O'Donnell PLLC (2)

Texas: San Antonio & Surrounds

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