Andy Drumheller

John B. Thomas is the co-founder of Houston-based commercial litigation boutique Hicks Thomas LLP. Known for his deep experience in handling complex commercial litigation, Mr. Thomas and the firm’s lawyers represent both defendants and plaintiffs in lawsuits involving oil and gas, securities, environmental matters, banking, transportation, intellectual property and health care. Mr. Thomas has been named to Lawdragon’s 500 Leading Lawyers in America and Lawdragon’s 500 Leadin...

Kent Hanszen is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Real Estate Law. Kent, 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 Kent is held by other top lawyers in the same geographic and legal practice area.

Russ has briefed and argued dozens of appeals, appearing before the Supreme Court of Texas, the Texas intermediate appellate courts, the Fifth and Federal Circuit Courts of Appeals, and the Supreme Court of the United States. He has assisted in or handled all phases of litigation in a wide variety of matters, including products liability, catastrophic personal injury, intellectual property, insurance coverage, employment discrimination, and commercial lawsuits. Before joining the firm, Russ s...

Taylor V. Cooksey is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Taylor V., 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 Taylor V. is held by other top lawyers in the same geographic and legal practice area.

Mark Dundon is a tax partner in the Houston office of Kirkland & Ellis LLP. Mark’s practice focuses on the tax aspects of complex mergers, acquisitions, divestitures, joint ventures, restructurings and financing transactions, primarily in the energy industry. He has represented large and mid-cap private equity funds and their portfolio companies, as well as large public and private corporations.

Raffi has broad experience in both trial and appellate matters nationwide. He has briefed and argued dozens of appeals in federal and state courts of appeals around the United States. Raffi also maintains an active practice in the United States Supreme Court, including both merits and amicus briefs. In 2019, Raffi briefed and argued Fort Bend v. Davis , where his client prevailed in a 9-0 decision written by Justice Ruth Bader Ginsburg. The Firm later successfully represented Ms. Davis in her...

Cristy C. Edwards is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Cristy C., 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 Cristy C. is held by other top lawyers in the same geographic and legal practice area.

Brad Porter is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Brad, 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 Brad is held by other top lawyers in the same geographic and legal practice area.

Gregg Costa is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Bet-the-Company Litigation, Commercial Litigation and Criminal Defense: White-Collar. Gregg, 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 Gregg is held by other top lawyers in the same geographic and legal practice area.

John Zavitsanos is a highly regarded trial lawyer who loves trying cases and loves winning. He has achieved success for a multitude of clients – both defendants and plaintiffs, from big energy companies to lone whistleblowers battling the odds. He has tried almost 100 cases to verdict in litigation that runs the gamut: financial services, oil and gas, construction, complex commercial disputes, director and officer liability, non-compete and trade-secret disputes, real estate development...