Tracy Cohen

Stan practices environmental law with an emphasis on complex federal Superfund sites in the eastern and western United States, air quality compliance, and environmental auditing. He has provided compliance and auditing services for facilities in over 17 states and Canada. His work includes remediation and air quality compliance on Native American lands. Stan was actively involved in major Arizona air quality developments, including negotiating the Arizona Comprehensive Air Quality Act and lea...

Kelly L. Mendoza is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Kelly 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 Kelly L. is held by other top lawyers in the same geographic and legal practice area.

Kristin Magin is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Kristin, 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 Kristin is held by other top lawyers in the same geographic and legal practice area.

James R. Broening is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants and Personal Injury Litigation - Defendants. James R., who practices law in Phoenix, Arizona, has been recognized since 1991. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James R. is held by other top lawyers in the same geographic and legal practice area.

Joe Roth is a member of the firm’s litigation group. Joe’s practice focuses on governmental investigations and litigation, complex commercial litigation, and appeals. Joe represents governmental agencies and officials, companies, and individuals in litigation and when being investigated by federal and state agencies. He also maintains an active complex commercial litigation practice, with a focus on securities and antitrust. Appeals are a significant part of Joe’s practice. ...

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...

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 ...

Debora L. Verdier is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Debora L., 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 Debora L. is held by other top lawyers in the same geographic and legal practice area.

Martin J. Solomon is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Martin J., 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 Martin J. is held by other top lawyers in the same geographic and legal practice area.

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...