Andrew Thomison

Co-founder of Houston-based Heim, Payne & Chorush, Les has helped build a nationally respected team of lawyers and has led litigation resulting in numerous 8- and 9- figure verdicts and settlements. As patent law has evolved with inter partes review validity challenges at the U.S. Patent Trial and Appeal Board, Les has become particularly effective representing both patent owners and accused infringers in this rapidly changing landscape. Heim, Payne & Chorush staffs its litigation for...

Joshua Mermis’ focus is on litigation relating to construction, energy, product liability and business law. He has extensive experience conducting both jury and bench trials, as well as arbitrations. His litigation experience is broad, ranging from homeowner claims to multimillion dollar commercial projects throughout Texas. Joshua represents domestic and international companies including developers, general contractors, subcontractors, product and equipment manufacturers, as well as in...

Rachel has significant litigation and appellate experience in both state and federal courts. In private practice, she has represented clients in a variety of matters, including complex commercial cases, personal injury claims, real estate disputes, theft of trade secret allegations, and insurance coverage litigation. Rachel’s skill in helping courts and clients navigate unique legal issues was honed by a decade working as a permanent law clerk at a federal district trial court and at a ...

Ryan T. Hand is a top attorney recognized by Best Lawyers in the practice area(s) of Transportation Law. Ryan T., who practices law in Spring, Texas, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ryan T. is held by other top lawyers in the same geographic and legal practice area.

Bill Benitez is a partner in the Houston office of Kirkland & Ellis LLP. His practice focuses on mergers and acquisitions, equity investments, recapitalizations, joint ventures and corporate governance, with a particular emphasis on the energy and infrastructure sector. Clients have described Bill as a “great practitioner” who provides “incredible client service” in connection with his recognition in various industry publications, including Chambers Global, The Wor...

Paul J. Neufeld is a partner at Youssef + Partners headquartered in Giza, Egypt. He handles international arbitration and litigation matters globally, including disputes arising out of oil and gas, LNG, mining, desalination, private investment, and construction projects in the Middle East, Africa, Europe, North America, and Latin America. As counsel, Dr. Neufeld has successfully represented clients in US, English, and DIFC courts, as well as in proceedings under all major arbitration rules (e...

Rene A. Treviño is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Litigation - Patent and Patent Law. Rene A., who practices law in Houston, Texas, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rene A. is held by other top lawyers in the same geographic and legal practice area.

Elizabeth Massey is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Elizabeth, who practices law in Houston, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elizabeth is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/florey-tull/ .

Carlyn Burton is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Carlyn, who practices law in Houston, Texas, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carlyn is held by other top lawyers in the same geographic and legal practice area.