Joseph Kanefield

Kristen is considered one of the nation’s leading “Big Data” and HIPAA compliance attorneys. She also has deep experience in data breaches, health information exchange, data sharing for research and clinical integration initiatives, clinical research compliance, clinical trials contracting, and biobanking and genomic privacy. Kristen is a sought-after national speaker on these issues and has been active in national healthcare policy. She is Past President (2013-2014) of the ...

Keith has substantial experience litigating complex commercial matters in a variety of contexts, including business torts, injunctive proceedings, legal malpractice defense, and claims against directors and officers. He has served as lead counsel in the defense of class actions. Additionally, Keith represents broker-dealers and investment professionals in the litigation, arbitration, and regulatory arenas. He has been involved in evidentiary injunctive matters on a broad range of issues, incl...

Phillip B. Visnansky is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Elder Law and Litigation - Trusts and Estates. Phillip B. practices law in Phoenix, Arizona Best Lawyers has recognized Phillip B. Visnansky since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Phillip B. Visnansky is held by other lawyers.

JIM O'SULLIVAN represents closely-held businesses, including law firms and other service professionals. Serving as general counsel and primary contact for businesses and their owners, Jim focuses on the ongoing legal needs of these clients, as well as strategic planning for growth and ownership succession opportunities. Jim leverages his considerable planning, negotiation and contract drafting experience to counsel clients through key events such as business formation, joint ventures, mergers...

Ryan W. Anderson is a lawyer recognized by Best Lawyers in the practice areas of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Corporate Law. Ryan W. practices law in Phoenix, Arizona Best Lawyers has recognized Ryan W. Anderson since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ryan W. Anderson is held by other lawy...

Miranda Preston is a lawyer recognized by Best Lawyers in the practice areas of Business Organizations (including LLCs and Partnerships), Corporate Law and Health Care Law. Miranda practices law in Phoenix, Arizona Best Lawyers has recognized Miranda Preston since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Miranda Preston is held by other lawyers.

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...

Isaac S. Crum assists business clients in developing, protecting, and enforcing intellectual property rights through consulting and litigation. His experience includes advising consumer product companies, startups, and non-profit organizations on intellectual property strategies and litigating complex cases involving patents, trademarks, trade dress, copyrights, trade secrets, and unfair competition.

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...

Terry L. Rakow is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Litigation - Real Estate and Real Estate Law. Terry L. practices law in Phoenix, Arizona Best Lawyers has recognized Terry L. Rakow since 2006. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Terry L. Rakow is held by other lawyers.