Ann Ryan Robertson

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...

Amy Parker Beeson is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Environmental. Amy Parker, who practices law in Houston, Texas, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amy Parker is held by other top lawyers in the same geographic and legal practice area.

Shari L. Heyen has experience in complex bankruptcy, restructuring, insolvency and complex commercial litigation matters. She is a Certified Public Accountant and has represented numerous creditors' committees, debtors, bank groups, acquirers and other significant constituencies in national Chapter 11 cases and workout proceedings, including complex oil, gas and energy cases. Shari has broad experience in the prosecution and defense of fiduciary litigation, foreclosures, real estate, oil and ...

Jeff Golub has significant trial experience representing plaintiffs and defendants in complex litigation matters. A lifelong Houstonian, Jeff comes from a family of business owners, and he focuses his practice on helping business owners and companies resolve disputes successfully and efficiently. He has achieved favorable outcomes for clients in courts not only in Texas, but throughout the country. His litigation skill has been recognized by his peers, including as one of the Best Lawyers in ...

William A. Wood III is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. William A., who practices law in Houston, Texas, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William A. is held by other top lawyers in the same geographic and legal practice area.

Dwayne L. Mason serves as the head of the Texas Intellectual Property Litigation Practice. Dwayne’s practice focuses on patent, trademark, copyright, trade secret, and technology-based commercial litigation. Dwayne also manages patent and trademark portfolios and assists companies in protecting and commercializing their intellectual property, including many transactional matters in the technology, media, life sciences, energy, and natural resources industries. Dwayne has litigated numer...

Roger D. Oppenheim is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Roger D., who practices law in Houston, Texas, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Roger D. is held by other top lawyers in the same geographic and legal practice area.

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.

Susan McLerran’s practice encompasses a broad array of family law matters, with a focus on complex divorce proceedings involving marital property characterization, valuation and division, business valuation, taxation, issues related to retirement assets, stock options, restricted stock and employee benefits, and conservatorship, visitation and child support matters, pre-marital and post-marital agreements, and suits regarding modification and enforcement of court orders. Susan’s e...

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...