Séan P. O'Brien

Ashley L. Case is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Ashley L., 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 Ashley L. is held by other top lawyers in the same geographic and legal practice area.

Andrea S. Tazioli is an experienced litigator and trial attorney practicing in the areas of White Collar Crime/Criminal Defense, Commercial Litigation, Government and Internal Investigations. Andrea is skilled in all aspects of litigation, including law and motion practice, mediation, arbitration, trial, and appellate practice. Andrea has tried numerous cases (civil and criminal) in both state and federal court. Andrea regularly defends individuals and corporations charged with white collar a...

Meghan heads the firm’s Energy, Water, and Utility Law practice and is a renowned industry leader in the electric, renewable energy, natural gas, water, telecommunications, and other innovative technologies sectors. Her clients value the unique blend of her legal acumen with the substantive utility business knowledge that she developed serving for years as both Associate General Counsel of Regulatory and then as head of the revenue requirement and rate design departments for Arizona&rsq...

My practice emphasizes insurance law as well as bad faith, personal injury and commercial litigation. Born and raised in Phoenix, I have a deep connection to Arizona's people, businesses and lifestyle. It is home. I also maintain an active practice with friends and colleagues in Las Vegas through our Nevada affiliate; Christian, Kravitz, Dichter, Johnson & Sluga, P.L.L.C.. For me, after 37 years of lawyering, the practice of law remains more a profession than a business. I do the best I c...

Lee practices environmental law relating to water quality, water rights, environmental compliance auditing, solid and hazardous waste, mining and mined land reclamation and remediation, toxic substances and Superfund matters. With nearly 25 years experience, Lee has a nationally-recognized water quality practice and works closely with his clients on the federal, state and local levels to develop workable strategies to promote development and expansion of both industrial and mining operations....

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...

Since 2009, Mark Worischeck has served as the firm's President and Managing Shareholder. Mr. Worischeck has earned Martindale-Hubbell's highest AV® Preeminent™ rating. He has been recognized as one of Arizona's Finest Lawyers and selected to be included in Best Lawyers in America for 2013-2022 for his work in aviation law, commercial and construction litigation, insurance law, insurance litigation, personal injury and product liability litigation. He was also named by Best Lawyers a...

As the founder and managing partner of Jaburg Wilk, Gary has almost 40 years invested in building and operating a business. He utilizes this expertise to help his clients effectively and efficiently resolve both their business and legal issues, Gary’s particular talent lies in quickly developing a comprehensive understanding of facts, personalities and legal issues and subsequently devising a realistic, cost effective strategy for meeting his client’s goals. His direct, businessli...

Bryan S. Bailey is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Bryan S., who practices law in Phoenix, Arizona, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bryan S. is held by other top lawyers in the same geographic and legal practice area.

Robert J. Milligan, Esq. Milligan Lawless, P.C. 5050 N. 40th Street, Suite 200, Phoenix, Arizona 85018 Phone: (602) 792-3500 | Direct: (602) 792-3501 | Fax: (602) 792-3525 Areas of Practice Health Care Business Transactions Health Care Fraud and Abuse Government and Commercial Payor Audits Health Care Licensing Life Sciences Government Investigations Provider Audits and Self-Reports Peer Review and Medical Staff Issues Bob is a shareholder in the Phoenix, Arizona law firm of Milligan Lawless,...