Thad H. Armstrong

Anthony Speier is a corporate partner in the Houston and Austin offices of Kirkland & Ellis LLP. His practice focuses on acquisitions, divestitures and formation of joint ventures involving assets across the energy value chain. Anthony has represented clients in connection with the purchase and sale of a broad range of energy assets, including metals critical to commercial battery production and the EV market, upstream and midstream oil and gas assets and companies, refineries, LNG facili...

Brian Gaudet is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Brian, 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 Brian is held by other top lawyers in the same geographic and legal practice area.

David J. Beck is consistently recognized as one of our country’s best trial lawyers. This recognition has grown from the consistent results he has achieved for his clients in his more than forty years of practice. From the smallest disputes to the billion dollar cases, David understands the importance of each case to his client, and he approaches each with the same intensity and integrity that has served him - and his clients - so well for so long. For David Beck, every case is a story ...

Mary-Olga “Mo” Lovett has been a trial lawyer for more than 30 years. In that time, she has taken dozens of cases to trial, involving a wide variety of complex legal issues, over 50 with more than $100 billion at stake. And she’s just getting started. A proven first-chair trial lawyer, Mo has been a fierce advocate for a wide range of national and global clients in bet-the-company litigation. When reputations are on the line or billions of dollars are at stake, clients have ...

Mary Kogut P.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Leveraged Buyouts and Private Equity Law. Mary, 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 Mary is held by other top lawyers in the same geographic and legal practice area.

Ethel J. Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Labor Law - Management. Ethel J., who practices law in Houston, Texas, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ethel J. is held by other top lawyers in the same geographic and legal practice area.

Anna has successfully represented both plaintiffs and defendants in state courts, federal courts, and arbitrations throughout the United States. She has accumulated significant first-chair trial experience in business disputes, representing both large and small companies, environmental and products liability cases, and in restructuring-related litigation, representing both debtors and creditors. Chambers describes her as “a go-to litigator in energy-sector disputes” with one sourc...

Grady Reiff is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Grady, 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 Grady is held by other top lawyers in the same geographic and legal practice area.

PHILIP H. HILDER was formerly the attorney-in-charge of the Houston Field Office of the United States Department of Justice, Organized Crime Strike Force. Prior to his appointment as a special attorney with the Justice Department, Mr. Hilder was an assistant United States attorney in the Southern District of Texas with the Presidential Organized Crime Drug Enforcement Task Force. Since leaving government service, Mr. Hilder has practiced in the area of white collar criminal defense, internal ...

Marc Grossberg's primary practice is representing clients in tax controversies at the examination, Internal Revenue Service appeal and trial and federal appeals levels, collection issues and pre-IRS examination compliance issues, including filing and foreign accounts and unique issues. Recent representations include bringing taxpayers "in from the cold," meaning assisting them in becoming compliant with the Internal Revenue Service before the Internal Revenue Service has discovered the non-co...