Diane M. Haller

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...

Shareholder Certified Specialist in Real Estate Law, Arizona Board of Legal Specialization Ed, who has practiced law for 45 years, is a peer review rated AV® Preeminent attorney who has been recognized by Best Lawyers in America every year since 2003 and was named the 2014 Best Lawyers "Lawyer of the Year" Phoenix in Land Use and Zoning Law. Ed has been selected by Super Lawyers of the Southwest every year since its inception in 2007, Arizona’s Finest Lawyers from 2008-2025, Chamber...

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...

Aaron Harmon has built a strong reputation in Arizona’s entrepreneurial community as a lawyer who provides practical counsel to founders, executives and investors alike. Aaron represents startups, established companies and investors in angel, venture capital and private equity financings, in mergers and acquisitions, in negotiating and drafting commercial contracts, and in general corporate and commercial matters. Aaron began his legal career as a judicial clerk for Chancellor William B...

John K. Wittwer is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law, Insurance Law and Litigation - Insurance. John K., 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 John K. is held by other top lawyers in the same geographic and legal practice area.

Richard Mear is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Product Liability Litigation - Defendants and Product Liability Litigation - Plaintiffs. Richard, 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 Richard is held by other top lawyers in the same geographic and legal practice area.

Bob has substantial experience in complex commercial litigation matters, focusing particularly on intellectual property and securities related litigation, arbitration and enforcement proceedings, contract, trade secret, business tort and shareholder litigation. He regularly represents clients in matters and investigations before the United States Securities and Exchange Commission, the Financial Industry Regulatory Authority (FINRA) and the Arizona Corporation Commission. Due to his wide rang...

Michael Clancy is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law, Family Law Arbitration and Family Law Mediation. Michael, 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 Michael is held by other top lawyers in the same geographic and legal practice area.

Karl A. Freeburg has a broad-based practice in the area of corporate finance and commercial transactions. Karl's practice includes the representation of borrowers and lenders in all types of asset-based and real estate secured financings. He also has wide-ranging experience assisting clients in the documentation and negotiation of a variety of contracts. Karl brings a practical, results-oriented approach to the representation of his clients. Karl takes pride in accomplishing his clients' obje...

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...