Don Corson

David Matheson, a partner in the firm’s Business practice, brings value to clients by providing strategic and practical advice. He has more than 20 years of experience in counseling on corporate governance matters, raising capital through public and private equity and debt offerings, and acquiring and disposing of businesses and assets. David advises domestic and foreign public companies — including controlled companies and master limited partnerships — on their SEC and secu...

John Kreutzer’s practice focuses on employment litigation, advice and counseling. His litigation experience includes representing employers in the defense of claims for discrimination and harassment in the work place, protected leave and disability claims, wage and hour claims, actions based on breach of contract, including non-competition agreement defense and enforcement, and trade secret violation claims. John is experienced in the defense of both class and representative actions. Pr...

Shannon Lea Armstrong is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Shannon Lea, who practices law in Portland, Oregon, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shannon Lea is held by other top lawyers in the same geographic and legal practice area.

Andy is the Chair of the firm’s construction practice group and a former managing partner of the firm. His practice focuses on providing advice and counsel to contractors, developers, architects, and engineers, litigating construction defect disputes, and construction related professional negligence claims. He also has significant experience in defending personal injury, products liability, environmental, and premises liability litigation.

Matt Mues is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Matt, 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 Matt is held by other top lawyers in the same geographic and legal practice area.

Steve D. Osborne is a top attorney recognized by Best Lawyers in the practice area(s) of Native American Law. Steve D., who practices law in Portland, Oregon, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steve D. is held by other top lawyers in the same geographic and legal practice area.

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...

Andrew Altschul mediates and arbitrates employment, ERISA and other civil litigation disputes. He practiced labor and employment law at two of the country’s largest law firms before opening his own employment law boutique in 2004 and co-founding Buchanan Angeli Altschul & Sullivan LLP in 2008, where he served as managing partner for 18 years. He is an approved arbitrator and mediator for the American Arbitration Association, Arbitration Service of Portland, and NAM (National Arbitra...

Gülgün Uğur is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Gülgün, who practices law in Portland, Oregon, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gülgün is held by other top lawyers in the same geographic and legal practice area.

Courtney W. Angeli is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals, Employment Law - Management and Litigation - Labor and Employment. Courtney W., who practices law in Portland, Oregon, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Courtney W. is held by other top lawyers in the same geographic and legal practice area.