Jim Dwyer

Jason’s practice focuses on complex litigation, including the defense of product liability, toxic tort, environmental and commercial litigation claims. He has diverse trial court experience, having tried cases, mediated or argued dispositive motions in Oregon, Washington, Idaho and California courts. In additional to his trial practice, Jason has successfully mediated or arbitrated hundreds of other cases throughout the Pacific Northwest. Jason serves as national counsel for several pro...

Neil Nathanson, a partner in the firm's Business practice, focuses on emerging technology company representation. He advises startups and other emerging growth companies in venture, angel and other private and public equity and debt financings, corporate governance, securities law, mergers and acquisitions, and computer and Internet law. He also represents angels, venture capital funds and private equity firms on portfolio investments.

Matthew Kalmanson is an accomplished appellate attorney and partner at Hart Wagner LLP in Portland, Oregon. He regularly serves as lead appellate counsel in cases before state and federal appellate courts in the Pacific Northwest. As a former federal and state appellate clerk, and an experienced appellate practitioner, Matt knows how to use the appellate process to his clients’ advantage. He is often hired to assist attorneys already in litigation, and brief and argue complex legal and ...

David J. Elkanich is the Managing Shareholder of Buchalter’s Portland office. He is also a member of the Firm’s Litigation Practice Group, and Chair of the Firm’s Professional Responsibility Group. Mr. Elkanich focuses his practice primarily on legal ethics, risk management, and discipline defense. He advises lawyers, law firms, in-house legal departments, as well as students and other professionals, on a variety of ethics issues, including conflicts of interest, confidentia...

Yoona Park strives to embody the spirit of ”nunchi” (눈치), a Korean concept that recognizes the importance of reading the moods, tone, and goals of individuals within a group, and adjusting one’s actions to meet those group dynamics. Yoona is motivated by this interpersonal aspect of her collaborative efforts in the legal profession—including those with co-counsel, Keller Rohrback colleagues, and clients. Her leadership ability and passion for both teamwork and advocacy...

Gretchen S. Barnes is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Gretchen S., who practices law in Portland, Oregon, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gretchen S. is held by other top lawyers in the same geographic and legal practice area.

Christopher Rich is a partner in the firm's Environment, Energy & Resources practice. He focuses on complex environmental cleanup compliance and litigation under CERCLA and state Superfund laws, resolution of state and federal governmental enforcement actions, and RCRA, Clean Water Act and Clean Air Act compliance and permitting.

Michelle Bertolino is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Michelle, 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 Michelle is held by other top lawyers in the same geographic and legal practice area.

Damien R. Hall is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Damien R., who practices law in Portland, Oregon, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Damien R. is held by other top lawyers in the same geographic and legal practice area.

Jenna L. Mooney is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Jenna L., who practices law in Portland, Oregon, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jenna L. is held by other top lawyers in the same geographic and legal practice area.