Mark L. Mathis

Marianne M. Auld is the managing partner of Kelly Hart and the chair of the firm’s Appellate section. She has briefed and argued dozens of appeals in both state and federal courts of appeals. Ms. Auld began her career as a law clerk on the United States Court of Appeals for the Fifth Circuit. Following her clerkship, she joined Kelly Hart as an associate in the firm’s litigation section, where she worked on a wide range of civil matters for clients including governmental entities ...

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

Kelly has worked with major pharmaceutical and medical device clients in in all phases of the litigation process, including discovery, motion practice, expert workup, and trial preparation. Her pharmaceutical and medical device experience is focused on the management of consolidated mass tort actions, particularly in the multidistrict litigation (MDL) context. Kelly has assisted in trying multiple MDL bellwether trials as a member of the trial team. Kelly also has prior experience defending r...

Over the past 20+ years of practice, Lyons has tried cases to juries, judges, and arbitrators throughout the state of Texas and all over the country. In the process, Lyons has obtained verdicts, awards, and settlements totaling over a billion dollars on behalf of his clients—many involving high profile, high exposure matters . Lyons has extensive trial experience in cases involving catastrophic personal injuries , wrongful death , product liability , business disputes , construction def...

Kyle helps clients in the financial services industry navigate risk and solve problems. He advises banks, lenders, loan servicers, and securities firms regarding their legal obligations, and then he advocates for their interests when disputes arise. Because of his keen judgment and informed perspective, clients trust Kyle for the real-world advice they need to solve their problems. Kyle’s versatility allows him to perform a wide range of different roles and tasks effectively. From disti...

Proven hustle. Unrivaled grit. Bold execution. Daniel has spent years on the front lines of high-stakes litigation in both federal and state courts throughout the country, coast to coast, and international arbitrations around the world. He is equally comfortable in a courtroom talking to a jury as he is in a boardroom talking to executives or on a gravel road talking to witnesses. Daniel uses a combination of experience, intellect, grit, and compassion to achieve his client’s goals. And...

As a partner, John Raggio serves as Nachawati Law Group’s General Legal Counsel and assists the firm’s public entity and mass tort practice groups. Mr. Raggio formerly managed the firm’s family law, criminal defense, and debt resolution litigation practice sections. These courtroom-intensive areas of law helped develop his trial skills and his ability to understand and empathize with his clients as they navigate the challenges of our legal system. Originally from Louisiana, ...

Ashley N. Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Insurance Law, Litigation - Intellectual Property and Litigation - Patent. Ashley N., 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 Ashley N. is held by other top lawyers in the same geographic and legal practice area.

Kris is board certified in the area of Family Law and Child Welfare by the Texas Board of Legal Specialization. Kris earned her law degree at St. Mary's University School of Law in San Antonio after completing her Bachelor of Business Administration at Southern Methodist University in Dallas. She continued her education by earning a Master of Business Administration at St. Mary's University School of Business. Kris has four children and lives in Dallas with her husband. Kris is a credentialed...

The first time I ever stood up in front of a jury, I knew that it was where I belonged. I’ve been told that, in front of a jury, I seem to have the opposite of stage fright, and I suppose that’s true. It’s where I feel most comfortable: advocating for my clients, arguing their cases. As a trial lawyer, the courtroom is my second home. I try cases because I enjoy helping people, whether they’re ordinary people who’ve been wronged by a product, company, or a busine...