Paul E. Gilbert

Prior to joining Gallagher & Kennedy, Mr. Clark served as a law clerk to the Honorable Mary M. Schroeder, Circuit Judge for the U.S. Court of Appeals, Ninth Circuit. Mr. Clark has also maintained an appellate practice. Prior to focusing his practice on plaintiffs’ personal injury and wrongful death cases, he handled a wide-range of cases, including criminal defense, insurance defense and commercial litigation. His recent experience includes: Served as Co-Lead Counsel for over 70 vic...

Diane M. Johnsen is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation and Environmental Law. Diane M., who practices law in Phoenix, Arizona, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Diane M. is held by other top lawyers in the same geographic and legal practice area.

T.J. Ryan's practice encompasses virtually all aspects of family estates, from estate and business planning, to probate and trust administration, to litigating contested estates – an area in which he has achieved a strong track record for positive results. His commitment to excellence in estate controversy and estate planning matters has earned his election as a Fellow of the American College of Trust and Estate Counsel (ACTEC). T.J. focuses his practice on personal and business plannin...

For four decades, Jim Ryan has helped high net worth Arizona families create and enjoy financial legacies. A Fellow of the American College of Trust and Estate Counsel (ACTEC) and a Certified Specialist in Estate and Trust Law, Jim Ryan is a widely acknowledged leader in Phoenix-Scottsdale legal and business circles for complex estate and business planning and estate administration. Jim is a past chair of the Estate and Trust Advisory Commission for the State Bar of Arizona, which administers...

Since the beginning of his career, Geoff has built his reputation as a lawyer’s lawyer. He serves as Osborn Maledon’s General Counsel and represents fellow attorneys in all aspects of the practice of law. For the last 30 years, his practice has split between both litigation and preventative counsel, advising on a regular basis to clients about risk management, professional liability issues, legal malpractice, bar discipline, ethics, and law practice management issues. Geoff has be...

Kristin Magin is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Kristin, who practices law in Phoenix, Arizona, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristin is held by other top lawyers in the same geographic and legal practice area.

Mark Ogden has litigated more than 500 employment lawsuits to conclusion, mostly in federal court, and has litigated 23 jury trials to verdict. Among his notable litigation successes are cases involving: Discrimination on the basis of religion, age, and disability Breach of contract issues Whistleblower claims He also provides employment training to employers of all sizes and regularly speaks on a variety of topics before a wide range of professional organizations. Mark is co-chair of the fir...

Leonard Aragon is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Leonard, who practices law in Phoenix, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leonard is held by other top lawyers in the same geographic and legal practice area.

Jimmy Cool is a counselor and trial attorney whose practice emphasizes civil and commercial litigation. Jimmy's value in guiding his clients to successful outcomes is supported by his experience in a broad range of civil litigation encompassing public labor law, catastrophic personal injury, professional regulatory action, bet-the-company commercial litigation, and high-profile litigation in the public interest. He also serves as a neutral mediator in helping to resolve tort litigation and bu...

Susan lived in Argentina as a child and is fluent in Spanish. While living in Argentina, she travelled often to Brazil to visit family and eventually learned to also speak Portuguese. Her multilingual proficiency led Susan to volunteer by assisting Spanish speaking individuals at the Family Court Facilitator’s Office in Orange County, California. Susan also worked as a Spanish translator in the telecommunications industry. In her practice, Susan is privileged to represent many Spanish-s...