Timothy L. "Tim" McMahan

Karen O’Kasey’s trial practice focuses on defending employers and medical professionals in state and federal courts in both Oregon and Washington. She has represented employers in all types of employment discrimination claims brought in federal and state court. In addition to defending private employers, Ms. O’Kasey has extensive experience defending municipalities against all types of tort claims, including Section 1983 claims, First Amendment claims, and public accommodati...

John DiLorenzo has authored and been a primary advocate for major legislation in the areas of state and local taxation, with special emphasis on property tax, tort reform, natural resources and economic development. John also assists clients in campaign finance, government ethics, initiatives and referendums, insurance recovery actions, environmental claim responses, appellate cases and a variety of government-related litigation matters.

Kevin H. Kono is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation, Litigation - Banking and Finance and Litigation - First Amendment. Kevin H., who practices law in Portland, Oregon, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin H. is held by other top lawyers in the same geographic and legal practice area.

Kevin Mapes is a commercial litigator with more than 25 years of experience in state and federal courts in Oregon, Washington, and California. He represents plaintiffs and defendants in a wide variety of business disputes involving commercial lending, partnership disputes, general contract matters, construction disputes, and a wide variety of commercial real estate disputes. Mr. Mapes is also an experienced environmental litigator, and has represented clients in matters involving the federal ...

Timothy B. Hering is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Timothy B., who practices law in Portland, Oregon, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy B. is held by other top lawyers in the same geographic and legal practice area.

John Gilroy is a founding partner at Gilroy Napoli Short, LLC, located in Portland, Oregon. Before starting the firm, he gained substantial experience as a Deputy District Attorney in the Washington County District Attorney’s Office, known for being one of Oregon's largest prosecutor’s offices. There, John prosecuted an array of criminal cases ranging from misdemeanors to serious felonies. This role afforded him extensive insight into the criminal justice system, which he leverage...

Donna L. Lee is a top attorney recognized by Best Lawyers in the practice area(s) of Ethics and Professional Responsibility Law, Health Care Law and Medical Malpractice Law - Defendants. Donna L., who practices law in Portland, Oregon, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Donna L. is held by other top lawyers in the same geographic and legal practice area.

Charley joined the firm in 1985. His practice focuses on representation of closely held businesses in a wide variety of business transactions, including significant work in real estate ownership, development and construction. Specialized areas include business start-up, shareholder and employment agreements and representing clients in the sale or transition of their businesses. In addition to his transaction work, he represents clients in complex business litigation.

Sarah Crooks, a partner in the firm's Commercial Litigation group, focuses her practice on navigating clients through complex business litigation, class action lawsuits and attorney general investigations across a variety of industry sectors, including the telecommunications, food and restaurant, childcare and education and real estate sectors. Sarah also has extensive experience representing clients in the areas of consumer protection, securities litigation, fraudulent transfer litigation an...

Chip Horner’s law practice focuses on defending medical negligence lawsuits, including high exposure birth trauma claims, ophthalmology, autism, failure to diagnose cancer, wrongful death and surgical matters. He is experienced in all aspects of health law. Chip’s clients range from large integrated health systems to solo practitioners, nurses, midwives, dentists, and many different allied health professionals. Chip also represents clients before licensing boards in Oregon and Was...