Jay S. Kramer

Jon is a partner at O'Steen & Harrison, PLC. He joined the firm in 2005 and practices in the areas of personal injury, car accidents, contaminated food, legal malpractice, insurance bad faith, defective products and commercial litigation. He graduated from Occidental College in 2002 (B.A., Economics and Political Science) and the Arizona State University College of Law in 2005 (J.D., cum laude). He served as Senior Articles Editor of the Arizona State Law Journal and was a Willard H. Pedr...

Keith Hendricks is a trial attorney with 30 years of experience representing businesses and individuals in commercial disputes. His practice is focused in the areas of real estate and business litigation. Keith also has significant experience in bankruptcy litigation, water law disputes, collections, governmental procurement, administrative law disputes, construction litigation, and restrictive covenant litigation. Keith is a former partner with the law firm Fennemore Craig PC where he practi...

Charles Callahan is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Insurance Law, Litigation - Insurance and Personal Injury Litigation - Defendants. Charles, who practices law in Phoenix, Arizona, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles is held by other top lawyers in the same geographic and legal practice area.

Katherine M. Corcoran is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Katherine M., who practices law in Phoenix, Arizona, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine M. is held by other top lawyers in the same geographic and legal practice area.

P. Derek Petersen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Environmental. P. Derek, 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 P. Derek is held by other top lawyers in the same geographic and legal practice area.

Danielle D. Janitch is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Danielle D., 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 Danielle D. is held by other top lawyers in the same geographic and legal practice area.

Kortney’s practice focuses on commercial bankruptcy and business law. This includes contracts, transactions, litigation, and settlement resolution. She is also a skilled mediator and settlement advocate.

Appeals Eric regularly handles high-profile appeals and issue litigation. He has argued major cases before the Ninth Circuit, Arizona Supreme Court, and Arizona Court of Appeals. Eric is listed in Benchmark Litigation’s 40 & Under Hot List, Best Lawyers, and Southwest Super Lawyers for appeals. Before joining private practice, Eric clerked on the U.S. Court of Appeals for the D.C. Circuit. He currently serves as a Ninth Circuit Appellate Lawyer Representative and as Chair Elect for ...

Kiersten A. Murphy is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Kiersten A., who practices law in Phoenix, Arizona, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kiersten A. is held by other top lawyers in the same geographic and legal practice area.

Marvin is a partner with substantial experience representing clients in complex commercial litigation in state and federal courts in Arizona and Nevada. His practice primarily focuses on business disputes and litigation, including partnership disputes, real estate litigation, business torts, and fraud claims. Additionally, Marvin has extensive experience litigating debtor/creditor relationships, including prosecuting fraudulent transfer actions and obtaining prejudgment remedies; defending cl...