Mark S. Sifferman

Bruce T. Neel is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Bruce T., who practices law in Phoenix, Arizona, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bruce T. is held by other top lawyers in the same geographic and legal practice area.

Chris Welker is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation - Defendants. Chris, who practices law in Phoenix, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Chris is held by other top lawyers in the same geographic and legal practice area.

Stephen R. Smith is a partner in the Phoenix law firm of FROMM SMITH & GADOW, P.C . where his practice is limited to complex family law litigation, mediation, and appellate matters. He has been a Certified Specialist in Family Law since 2000 and a fellow of the American Academy of Matrimonial Lawyers since 2011 . He is also listed in The Best Lawyers in America (2015-16) in the field of family law. Admitted to the State Bar of Arizona in 1994, Mr. Smith received his Bachelor of Science de...

Marvin is a partner with substantial experience representing clients in complex commercial litigation in state and federal courts in Arizona and Nevada. His practice primarily focuses on business disputes and litigation, including partnership disputes, real estate litigation, business torts, and fraud claims. Additionally, Marvin has extensive experience litigating debtor/creditor relationships, including prosecuting fraudulent transfer actions and obtaining prejudgment remedies; defending cl...

James Fassold is a shareholder at Tiffany & Bosco who concentrates his practice on probate and trust litigation, estate administration, elder law, and appeals. He is an adjunct professor at the Phoenix School of Law, and has served as a mediator and expert witness. Over the years, Jim has handled numerous probate and trust disputes, as well as guardianships and conservatorships. He is frequently engaged to handle complex probate litigation matters, including will and trust contests, breac...

Matt is a graduate from the University of Notre Dame, where he was a member of the Men’s Varsity Basketball Team. He received his Juris Doctorate from Arizona State University in 2003. Matt is a shareholder focusing his practice in plaintiff’s catastrophic personal injury and wrongful death and criminal law. In his nearly ten years as a lawyer, Matt has distinguished himself in the courtroom and the community. He is passionate about his clients and dedicated to seeking justice on ...

Daniel Beeks is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Daniel, who practices law in Phoenix, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Katherine A. Beck is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Katherine A., who practices law in Phoenix, Arizona, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine A. is held by other top lawyers in the same geographic and legal practice area.

Marlene A. Pontrelli is a certified specialist in family law. Her practice focuses on all aspects of family law including dissolution and legal separation of marriage, business valuations, division of property, spousal support, post-dissolution modifications, premarital and post-marital agreements, paternity, child custody, parenting time, and child support matters. She is admitted to practice in Arizona and California. She also acts as a private mediator for parties wishing to settle outside...

Thom Slack is a partner with the Phoenix firm of Beale, Micheaels, Slack & Shughart where he represents plaintiffs in catastrophic injury and wrongful death cases with an emphasis on railroad grade crossing collision, trucking and construction accidents. He has tried numerous catastrophic injury and wrongful death cases, including automobile, motorcycle and trucking accidents, railroad grade crossing collisions, and construction and premises liability injuries. Mr. Slack has obtained sign...