Diana Chamberlain

Bob Mahon, chair of the firm's State & Local Tax practice, focuses his practice on helping clients minimize state and local taxes and comply with state and local tax laws. Bob represents clients in state and local tax audits, refunds, appeals, and litigation, as well as assists clients with tax planning and business transactions. Bob is the past president of the Tax Section of the Washington State Bar Association and teaches State and Local Tax as an adjunct professor at the University of...

Paul Tonella practices in Keller Rohrback's business and estate planning group, where he represents individuals, families, and businesses in tax and general legal matters. He brings a wide range of experience in entity formation, contracts, purchases and sales of companies, personalized estate planning and probate and trust administration.

Practice Emphasis and Experience Construction Business & Real Estate Commercial Litigation Government Contracts For more than 25 years, Douglas Oles has concentrated his practice on helping clients to avoid and resolve disputes on complex contracts relating to construction, supply, energy, real estate development and intellectual property licensing. Today, he is also increasingly involved as a neutral mediator and arbitrator in contract-based disputes. Mr. Oles has prepared, negotiated an...

Benjamin Gould makes the law work for his clients. Ben, a Seattle native, practices in Keller Rohrback’s nationally recognized Complex Litigation Group. His ability to clearly and efficiently communicate factual and legal issues to his clients and courts allows him to advance the interests of those who have been harmed by others’ misconduct. Ben has extensive experience in appellate litigation, and has secured successful results for his clients before the U.S. Courts of Appeals fo...

Professional Experience Kameron Kirkevold’s practice focuses on complex guardianship, probate and trust matters arising under Washington State’s Trust and Estate Dispute Resolution Act (TEDRA). He joined Helsell Fetterman in 2010 after two years as an associate in his father’s firm of Kirkevold Law Offices, Inc., and has been a partner at the firm since 2016. Kameron works with professional fiduciaries, individuals, and families dealing with simple and complex matters arisin...

Ann M. Nagele is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Ann M., who practices law in Seattle, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ann M. is held by other top lawyers in the same geographic and legal practice area.

Christine M. Tobin-Presser is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Christine M., who practices law in Seattle, Washington, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christine M. is held by other top lawyers in the same geographic and legal practice area.

Laura R. Gerber is a strong advocate for her clients. From her early years in a whistleblower protection organization, to her current practice litigating against some of America’s largest corporations, Laura has built her career as a trusted advocate for plaintiffs. Laura represents her clients with skill, tact and diplomacy. As a result, Laura’s clients trust her to listen carefully, keep them informed, provide excellent legal advice, and to diligently pursue their interests in l...

Adam D. Romney is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Adam D., who practices law in Seattle, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adam D. is held by other top lawyers in the same geographic and legal practice area.

Scott Blankenship believes that no person, government, or corporate entity is beyond the reach of the law, and is committed to seeing that our court system protects and advances fundamental rights, not only for his clients, but for our nation and community. He has built a law firm committed to enforcing justice for individual and employee rights. For more than two decades, the firm’s passionate and experienced lawyers have prevailed against the largest companies and entities in both tri...