Drew Williamson

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...

Preston Mundt is an experienced trial lawyer. He has served as lead counsel representing individuals, corporations, and other institutional clients in significant litigation throughout Texas, New Mexico, and abroad. He has extensive experience representing plaintiffs and defendants in a wide variety of matters, including oil & gas litigation, personal injury, breach of contract, business torts, premises liability, intellectual property, insurance coverage disputes, marital matters, employ...

Matthew Nielsen is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Matthew, 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 Matthew is held by other top lawyers in the same geographic and legal practice area.

Chauncey structures and negotiates complex transactions for strategic buyers and sellers as well as private equity firms in the technology, manufacturing and financial services industries. A thought leader on rapidly evolving deal trends and strategies, Chauncey is regularly called on to advise clients on their most significant transactions, including stock and asset acquisitions, going private transactions, leveraged buyouts, carve-outs, platform acquisitions, add-on acquisitions and recapit...

Christina Tate is a top attorney recognized by Best Lawyers in the practice area(s) of Leveraged Buyouts and Private Equity Law. Christina, who practices law in Dallas, Texas, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christina is held by other top lawyers in the same geographic and legal practice area.

David Woodcock is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Regulatory Enforcement (SEC, Telecom, Energy), Litigation - Securities and Securities Regulation. David, who practices law in Dallas, Texas, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

Kate Moseley is a partner in the firm’s Finance Group and is resident in the Dallas office. She represents borrowers, financial institutions, commercial finance companies and underwriters in finance transactions and debt restructurings. Her practice is concentrated on investment-grade financings, debt offerings, asset-based and cash-flow-based financings, real estate financings, leveraged buyouts, second lien financings, mezzanine financings, project financings, sports financings and de...

John Leininger joined Otteson Shapiro's Dallas office in January, 2016. Mr. Leininger is a key member of the firm’s Bankruptcy & Creditors’ Rights and Litigation practice areas. He focuses on core bankruptcy matters, bankruptcy litigation, and general civil litigation. He was named to The Best Lawyers in America© 2021 for his work in Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. After graduating law school, Mr. Leininger served as a law clerk ...

Amanda Groves is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Amanda, 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 Amanda is held by other top lawyers in the same geographic and legal practice area.

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...