William B. "Bill" Mateja

Recognized by Best Lawyers since 2021, Toby M. Galloway has been honored in Commercial Litigation, Criminal Defense: White-Collar, Litigation - Regulatory Enforcement (SEC, Telecom, Energy), and Litigation - Securities. An accomplished trial attorney and former SEC attorney, Toby has extensive experience representing clients before major regulatory and law enforcement agencies, including the SEC, DOJ, CFTC, FINRA, Texas State Securities Board and other state securities regulators, and the PCA...

Nicole’s litigation practice includes commercial litigation, ethics advice, state bar grievances, and alternative dispute resolution. She is dedicated to mentorship and enjoys providing young professionals with numerous development opportunities. Nicole is committed to educating future lawyers. She serves as an adjunct professor at UNT Dallas College of Law, teaching Deposition Skills, Strategies, and Techniques. For many years, she also lectured at the UT Dallas Naveen Jindal School of...

Cory Halliburton is a lawyer recognized by Best Lawyers in the practice area of Nonprofit / Charities Law. Cory practices law in Frisco, Texas Best Lawyers has recognized Cory Halliburton since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Cory Halliburton is held by other lawyers.

David C. Greenstone is an experienced trial lawyer and a founding member of Simon Greenstone Panatier, PC. Mr. Greenstone has been the Managing Shareholder of the firm since its inception in 2006. Mr. Greenstone has spent more than two decades fighting in court on behalf of those who have been harmed by the negligence and recklessness of others. Passionate about representing clients through trial work, David tried his first case within six months of getting his law license. He was trying case...

Tyson Wanjura is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. Tyson practices law in Dallas, Texas Best Lawyers has recognized Tyson Wanjura since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Tyson Wanjura is held by other lawyers.

Julie Heath focuses her practice primarily in the area of employment litigation and counseling. In addition to litigation and arbitration defense, she counsels HR departments and businesses of every size on all aspects of employment law, from addressing day-to-day employment and personnel questions, to investigating internal employee claims, to defending governmental agency audits, to advising clients on steps for litigation avoidance. Ms. Heath is rated AV®-Preeminent™ by the peer-...

For more information, please visit www.gibsondunn.com/lawyer/cannon-michael-q/ .

David S. Bouschor, II is a 1991 graduate of the Southern Methodist University Dedman School of Law. Mr. Bouschor was a sole practitioner and a shareholder in a previous law firm until January 2000 when he opened The Law Office of David S. Bouschor, II, P.C. in Denton, Texas. For over twenty-eight years, Mr. Bouschor’s legal practice has consisted of Family Law, Guardianship and Probate. Since 1995 Mr. Bouschor has been Board Certified in Family Law by the Texas Board of Legal Specializa...

Shane O’Dell focuses his practice on driving value for his clients. Whether defending his clients, pursuing legal remedies, or evaluating to determine if litigation is necessary or avoidable, Shane’s focus remains on his clients best interest. A business-minded and enterprising approach helps to create long-term sustainable client relationships which are critical in sustained success for his clients. From drafting, reviewing, or revising documents to avoid litigation, or revising ...

William (Bill) Munck is the managing partner of Munck Wilson Mandala. He is a member of the executive committee and chairs the firm’s intellectual property group. Bill brings 30+ years of experience counseling clients regarding the development of offensive and defensive intellectual property portfolios. His technical expertise is in the hardware, software, firmware, gaming, wired/wireless communication, energy, defense, and medical device/healthcare fields. Bill is known as an attorney ...