Jon S. Cohen

Kelly L. Mendoza is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. 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.

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...

David Lish is a top attorney recognized by Best Lawyers in the practice area of Criminal Defense: General Practice. David has more than 20 years of experience in Arizona’s criminal justice system. Before entering private practice, David spent eight years as a prosecutor, gaining extensive courtroom experience and handling criminal matters from the government’s side. He later transitioned to criminal defense, representing individuals facing serious and complex criminal allegations....

David focuses his practice in family law. He assists clients with divorces, child custody issues, post-decree modifications, and pre- and post-nuptial agreements. David is experienced with high conflict family law matters and has tried numerous cases. He has particular expertise when dealing with issues relative to children both during dissolution and issues that arise after a client’s divorce or establishment matter. David passionately advocates for what matters most to his clients and...

Stacey L. Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates. Stacey L., who practices law in Glendale, Arizona, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stacey L. is held by other top lawyers in the same geographic and legal practice area.

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...

Michele L. Bax is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Michele L., who practices law in Phoenix, Arizona, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michele L. is held by other top lawyers in the same geographic and legal practice area.

Josh Grabel, a seasoned litigator with a nationwide practice based out of the firm’s Phoenix office, represents clients in various complex litigation matters, including defense of class action claims and other complex disputes. Josh sees his primary role as assisting his clients in solving their more complicated problems, be it through negotiation, internal problem solving or litigation. He focuses his practice on property and casualty (primarily auto-related) insurance risk and coverag...

Jennifer L. Sellers is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Construction Law, Employee Benefits (ERISA) Law, Employment Law - Management and Health Care Law. Jennifer L., who practices law in Phoenix, Arizona, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer L. is held by other top lawyers in the same geographic and legal practice area.

L. Frederick Williams Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law, Corporate Law, Economic Development Law, Mergers and Acquisitions Law, Municipal Law, Project Finance Law, Public Finance Law, Securitization and Structured Finance Law, Tax Law and Trusts and Estates. L. Frederick, who practices law in Phoenix, Arizona, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the h...