Courtney Jones Kieffer

Jessica began her law career as a paralegal, and it shows: Paralegals get things done. She’s smart, too. Jessica graduated magna cum laude from Texas Woman’s University, and later, while earning her law degree at the Texas A&M University School of Law, she served as Vice President of the Family Law Student Association and represented clients in the school’s Family Law Legal Clinic. “I knew from the start that I wanted to be a family law attorney,” says Jessic...

Rachel Ziolkowski Ullrich is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Rachel Ziolkowski, who practices law in Dallas, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rachel Ziolkowski is held by other top lawyers in the same geographic and legal practice area.

Phillip W. McCrury is the chair of the firm’s Estate, Trust, Probate, and Asset Protection section. He assists individuals, families, and family offices with all varieties of estate planning, generational wealth transfer strategies, trusts, life insurance strategies, and asset protection planning. In addition, he is involved in probate matters throughout Texas, including contested probate matters. Mr. McCrury is an active member of a number of bar sections involving estate and probate m...

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

Darren Hauck is partner-in-charge of the firm’s Dallas office. He concentrates his practice on domestic and international mergers and acquisitions, joint ventures, outsourcings and other large commercial transactions, with an emphasis on technology and the travel and travel service industries. Darren’s practice has involved a wide variety of complex transactions, often involving three or more negotiating parties of more than one nationality. He also has advised clients on the crea...

Sarah Wirskye has been defending clients in white-collar criminal, False Claims Act and civil fraud disputes with the government for over 25 years. A strategic problem solver who is results focused and detail oriented, she works proactively with the government to help clients avoid an indictment or lawsuit. Sarah is an experienced courtroom litigator who has successfully tried white-collar criminal, civil, and other criminal cases in federal and state court. Sarah also has represented clients...

Mr. Biermacher, a director of the Firm, is the most senior member of the Litigation Section in the Dallas office. His general broad trial and appellate practice and experience representing clients on both sides of the docket not only encompass personal and bodily injury defense provided on behalf of insureds and self-insured entities arising out of catastrophic injury, wrongful death, toxic and mass tort, sick building, false arrest, rape, defamation and professional negligence claims, but al...

Robert S. Hill is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Robert S., who practices law in Dallas, Texas, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert S. is held by other top lawyers in the same geographic and legal practice area.

Rob McAngus is a family law attorney in Dallas, Texas, and a member of Mueller Family Law. He has been recognized by peer-reviewed Best Lawyers® since 2021 and is board certified in Family Law by the Texas Board of Legal Specialization. For more than a decade, Rob has dedicated his practice exclusively to family law, representing clients in complex and high-conflict divorce matters, high-asset property division, child custody and parental rights disputes, marital agreements, and special e...

Greg Curry focuses his litigation practice on complex commercial (including real estate and construction), oil and gas, insurance coverage, and environmental matters. Greg is recognized annually by his peers as one of the top lawyers in Texas. He has an active trial practice, having secured significant settlements and judgments for plaintiffs and defending numerous complex cases with substantial monetary claims. Greg works on a number of high profile and high risk domestic and international a...