Thomas H. Allen

Frank M. Placenti is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Compliance Law, Corporate Governance Law, Corporate Law, Mergers and Acquisitions Law and Securities / Capital Markets Law. Frank M., who practices law in Phoenix, Arizona, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frank M. is held by other top lawyers in the same geographic and legal practice area.

Spencer G. Scharff represents and advises businesses, nonprofits, and individuals in complex litigation in state and federal courts. He is admitted to practice in California, Arizona, New York, and the District of Columbia, and has extensive experience in high-stakes commercial litigation, regulatory disputes, and appellate advocacy. Before founding Scharff PC, Spencer was a member of Goddard Law Office PLC, where he practiced alongside former Arizona Attorney General Terry Goddard. He previo...

Mark A. McGinnis is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Natural Resources Law and Water Law. Mark A., who practices law in Phoenix, Arizona, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark A. is held by other top lawyers in the same geographic and legal practice area.

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.

Gregory Rosenthal is an AV® Preeminent peer review rated attorney in Martindale-Hubbell whose practice focuses on civil litigation matters, representing clients in cases involving serious personal injury, wrongful death, products liability, negligence, premises liability and construction matters. Greg joined Burch & Cracchiolo after a distinguished career with Rosenthal Law Offices where he practiced in partnership with his father for 18 years.

Stephanie L. Chilton is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. Stephanie L., who practices law in Sun City, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephanie L. is held by other top lawyers in the same geographic and legal practice area.

DANIEL P. QUIGLEY is a CDQ partner and the Vice President of the firm. He has been practicing law in Arizona since 1984. Since joining CDQ in 1997, Dan has practiced in all areas of commercial litigation, including cases raising antitrust and intellectual property issues. Dan has lectured at the State Bar of Arizona’s Professionalism courses and been an instructor at the National Institute for Trial Advocacy’s Arizona Deposition Skills Program. He is a member of the Xavier College...

Judith K. Weiss is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Judith K., who practices law in Phoenix, Arizona, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Judith K. is held by other top lawyers in the same geographic and legal practice area.

William Furnish has become a rising star in business litigation, lending his knowledge on cybersecurity, privacy and data security matters to businesses across a varied set of industries. As a litigator, William focuses on professional liability, complex commercial litigation, and privacy and data security matters. He excels at the intellectual, ethical challenges that arise between data privacy and attorney ethical violations and has established himself as a thought-leader in the ethical ove...

Clark L. Derrick began his legal career in Phoenix in 1972 after having graduated, with distinction, from the University of Arizona, College of Law and entering into the practice with John J. Flynn and the firm of Flynn, Kimerer, Thinnes & Derrick. While a student at the University of Arizona, College of Law, Clark was Symposium Editor of the Arizona Law Review and was elected a member of the Order of the Coif. He received his undergraduate, Bachelor of Arts degree in 1968 from the Univer...