Michael W. Mengis

Having tried more than 60 cases, Todd Mensing is Board Certified in Civil Trial Law by the Texas Board of Legal Specialization, a distinction reserved for Texas trial lawyers with a high degree of trial experience and expertise. During the last ten years, an average of fewer than five attorneys per year statewide has earned the distinction. Todd is recognized among the top lawyers in the nation for commercial litigation and construction litigation in The Best Lawyers in America. Todd is also ...

David N. Calvillo is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. David N., 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 David N. is held by other top lawyers in the same geographic and legal practice area.

Tony Buzbee is a former Recon Marine officer. His mettle has been tested time and again through some of the most demanding training in the armed services and due to his involvement in some of the most intense Marine operations in various countries. Buzbee didn’t just survive or endure as a Marine officer, he excelled. In the Marine Corps, officers are taught to lead from the front, to do more with less, to work smart, to hit fast and exploit weaknesses, and to be creative. Tony Buzbee, ...

Debra S. Casaceli is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Debra S., who practices law in Houston, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Debra S. is held by other top lawyers in the same geographic and legal practice area.

Sammy Ford IV has tried over 20 cases before judges, juries, and arbitrators in his career. He represents companies and individuals around the country in all manner of civil matters, including complex commercial litigation, business torts, securities class actions, and catastrophic personal injury cases. He is board certified in Personal Injury Trial Law by the Texas Board of Legal Specialization. Sammy’s favorite place is in the courtroom trying cases. In 2022, he successfully tried a ...

Kelly D. Brown has practiced environmental, health, and safety (EHS) law since 1991, and is a shareholder in the firm’s EHS Section. Kelly’s legal practice is a broad-based one as he handles EHS-related litigation, transactional matters, remediation projects, and compliance counseling. Kelly defends corporate clients in various personal injury and toxic tort lawsuits and administrative proceedings brought by governmental agencies including the Texas Commission on Environmental Qua...

Jason S. McManis is a partner at AZA and the head of AZA’s intellectual property group. He is a skilled trial lawyer with extensive experience in front of the jury in courtrooms across the United States. IAM Patent 1000 ranks Mr. McManis as a leading patent litigator and highlights that he “is often brought in to take over cases from previous counsel” while commending his ability to “adapt to changing circumstances with alacrity.” Mr. McManis represents both plai...

Philip Dunlap represents clients in mergers and acquisitions transactions across all industries. He counsels private companies, private equity funds and their portfolio companies in connection with strategic investments, joint ventures, mergers, acquisitions and divestitures, as well as on general corporate matters. Philip also serves as outside general counsel in matters including finance transactions, employee compensation, commercial contracts and employment agreements. He has represented ...

Nancy Collier LeGros is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Nancy Collier, who practices law in Houston, Texas, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nancy Collier is held by other top lawyers in the same geographic and legal practice area.

Andrew Sullo is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Andrew, who practices law in Houston, Texas, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.