Ryan R. Nisle

Paul Berg splits his time between managing the firm and his litigation practice. Paul’s practice focuses on complex business and commercial litigation, along with personal injury and wrongful death actions. Paul co-authored the 2020 edition of Oregon Civil Pleading and Litigation , as well as the 2009 supplement to the “Case Investigation” chapter of the Oregon Civil Litigation Manual .

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...

Harold B. Scoggins III is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Financial Services Regulation Law. Harold B., 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 Harold B. is held by other top lawyers in the same geographic and legal practice area.

Dennis Steinman offers clients legal advocacy and counsel on numerous aspects of local, state and national employment law, including discrimination, sexual harassment, wrongful termination, employee grievances and arbitration, compensation, and employee handbooks and manuals. He works with employees who may have experienced unlawful discrimination or mistreatment in the workplace, including wage and hour violations, wrongful termination, and other difficulties. He’s also one of Oregon&r...

Daniel Larsen is a Shareholder in Buchalter’s Intellectual Property, Commercial Litigation, and Health Care Practice Groups. Within these practice areas, Mr. Larsen advocates and provides trusted advice to his clients for most varieties of business disputes. Whether as a litigator or advisor, he guides his clients towards creative, cost-effective solutions to achieve business goals while navigating risk by balancing the business interests and economic realities unique to each of his cli...

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...

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 ...

Katherine McDowell is an attorney at McDowell Rackner Gibson PC in Portland, Oregon, where her practice centers on Energy Law and Energy Regulatory Law, with a significant focus on litigation involving regulatory enforcement matters. She advises utilities and energy companies on a broad range of regulatory and administrative law issues, including ratemaking, resource development and acquisition, compliance with environmental mandates, industry restructuring, and utility mergers and acquisitio...

Christopher J. Kayser is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Antitrust, Litigation - Environmental and Litigation - Securities. Christopher J., 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 Christopher J. is held by other top lawyers in the same geographic and legal practice area.

Steve Pfeiffer is a partner in the firm's Real Estate & Land Use practice. He focuses on land use, natural resource law and real estate development, and his representation includes the full spectrum of development interests including office, retail industry, institutional and resort.