John W. Nassen

Richard Bratton Roper is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Richard Bratton, who practices law in Dallas, Texas, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard Bratton is held by other top lawyers in the same geographic and legal practice area.

George Barber advises and represents a broad range of clients in all forms of commercial bankruptcy related issues and disputes. Typical bankruptcy matters include plans of reorganization, confirmation hearings, liquidations, asset sales, compromises and settlements, cash collateral use, DIP financing, adequate protection, valuations, jurisdictional issues, dismissals and conversions, discharge and dischargeability, avoidance actions, and all other forms of contested matter and adversary proc...

Ms. Ohlenforst has engaged in a broad tax practice with extensive experience in state and federal tax planning and controversy matters and in legislative work. Her transactional practice includes contract negotiation, e-commerce, internet, and technology transactions, and large lease and financing transactions. Ms. Ohlenforst also has significant experience with aircraft related work. Ms. Ohlenforst served as chair of the firm's Diversity Committee at Hughes & Luce LLP and also works with...

Newman Nahas is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Newman, who practices law in Irving, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Newman is held by other top lawyers in the same geographic and legal practice area.

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...

Al Ellis, Of Counsel, is known in legal circles for his leadership and integrity in the practice of law, as well as his service to the community. At Sommerman, McCaffity, Quesada & Geisler, L.L.P., he focuses his practice on personal injury, products liability, dram shop, medical malpractice litigation and mediation/arbitration. Al vigorously advocates for his clients, having tried more than 175 jury trials. He is Board Certified in Personal Injury and Civil Trial Law by the Texas Board o...

For over 25 years, Dawn's practice has focused on trial work, representing a variety of large and mid-sized corporate clients in claims involving a wide range of litigation topics. Dawn is an AV Preeminent® rated lawyer with a proven ability to manage and resolve sophisticated disputes. Dawn is comfortable in state and federal courts and arbitrations. Dawn serves as a court-appointed mediator, and she also serves on the American Arbitration Association's National Panel of Commercial and E...

Construction industry and manufacturing clients turn to Nathan's experience in complex multimillion-dollar construction litigation claims on public and private projects. His command of contract drafting and negotiations in a unique array of commercial matters gives his clients a proactive, seasoned lawyer who focuses on minimizing risks to protect his clients’ needs. He represents developers, contractors, public entities, manufacturers, and subcontractors in all aspects of construction ...

Jonathan S. Blum is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Nonprofit / Charities Law. Jonathan S., who practices law in Dallas, Texas, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan S. is held by other top lawyers in the same geographic and legal practice area.

Mr. McFall is Board Certified by the Texas Board of Legal Specialization in Labor and Employment Law and is the Managing Shareholder of the Dallas, Texas office of the national labor and employment law firm Ogletree, Deakins, Nash, Smoak & Stewart, P.C. He received his bachelor’s degree, summa cum laude, from Emory University, and his law degree, cum laude, from the University of Texas at Austin. Mr. McFall was a member of the Texas Law Review and graduated as a member of Chancellors, the...