Clayton J. Callen

Amy Warr came to Alexander Dubose & Jefferson after serving five years as an Assistant Solicitor General for the State of Texas. While at the Solicitor General's office, Amy handled many prominent appeals, including the challenge to the Ten Commandments monument on the Texas Capitol grounds in the United States Supreme Court and the 2005 School Finance case in the Supreme Court of Texas. At ADJT, Amy continues a high-level Texas and federal appellate practice. In 2008 she successfully rep...

George Baldwin is a Partner in the Austin, Texas office of Peckar & Abramson PC . His practice centers on Construction Law and Litigation – Construction , with a focus on resolving commercial construction disputes through litigation, mediation, and arbitration. George works closely with owners, contractors, and other project participants to address complex construction-related issues in a practical and business-focused manner. George’s experience includes matters involving pro...

Sean Breen is trial attorney and a partner at Howry, Breen & Herman LLP. Sean has won several Hall of Fame and Record setting verdicts and secured hundreds of millions of dollars in settlements. Sean has extensive litigation and trial experience aggressively handling and winning a broad range of cases. Mr. Breen is licensed in Texas and Colorado has over 25 years of experience representing individuals and businesses as a trial lawyer. He is recognized as one of the top trial attorneys in ...

Cleveland R. Burke is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Cleveland R., who practices law in Austin, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cleveland R. is held by other top lawyers in the same geographic and legal practice area.

Jim Richardson is one of the state's leading trial lawyers in complex commercial litigation. His practice focuses on complex commercial disputes involving fiduciary litigation, multi-jurisdictional matters, and business tort claims. Jim is ranked in Chambers USA 2026 for Litigation: General Commercial – Texas, Austin & Surrounds, published by Chambers & Partners . Chambers describes him as "an amazing trial lawyer" and "skilled advocate" – "resourceful, diligent, courteous...

John Gilluly is a Chambers Band 1-ranked attorney who represents leading global and domestic companies, investors and other institutions across a range of industries, and focuses on capital markets transactions, SEC reporting and compliance, mergers and acquisitions, private equity, and corporate governance matters. Chambers recognizes John as a “highly regarded” lawyer for “his active funds practice and his deal focused attitude” and has noted that “peers are en...

W. Glenn Opel is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Public Finance Law. W. Glenn, who practices law in Austin, Texas, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which W. Glenn is held by other top lawyers in the same geographic and legal practice area.

Kevin Reed has practiced health law for over 30 years and is Board Certified in both Health Law and Administrative Law by the Texas Board of Legal Specialization. Mr. Reed primarily assists hospitals and health care systems with regulatory and compliance issues, complex transactional issues, the creation of hospital districts, financing and construction of new facilities, the formation of non-profit organizations, and medical staff peer review matters. He has served as General Counsel for the...

Kevin has been in practice for 34 years. He joined Cooper & Scully in 2018 as the managing shareholder for their newly created Austin office after concluding 20 years as a founding shareholder of Uzick & Oncken. He has tried to jury verdict, more than 100 cases across Texas. Kevin has often been asked to step into cases outside of Texas via Pro Hac Vice. While the majority of his practice has focused on the defense of medical negligence cases, Kevin has also successfully represented p...

Duncan E. Osborne is a partner of Osborne, Helman, Knebel & Scott, LLP. He graduated from the University of Texas Law School (JD, with honors, 1971). His core practice is domestic and international estate planning with an emphasis on asset protection planning. A former adjunct professor of law at The University of Texas School of Law, Mr. Osborne devotes significant energy to lecturing and writing in his practice area as well as helping clients with regard to all aspects of their estate p...