Matthew "Matt" Cohen

Rod Umberger is the Managing Director of Williams Kastner, a Member in the Seattle office, and a member of the firm’s board of directors. A highly respected trial lawyer, Rod brings extensive experience across a wide spectrum of civil litigation, including product liability, transportation, toxic torts, premises liability, class actions, construction, and commercial litigation. He also regularly advises insurers as coverage and monitoring counsel in large loss matters. Rod has been reco...

Susan Lehr is an experienced attorney who advises clients in business formation, securities, mergers and acquisitions, real estate development, and federal and state tax law. She counsels on complex transactions, including venture capital and cross-border deals, and offers strategic tax planning to minimize risk. Susan also guides residential and commercial real estate projects, including mixed-use developments, with innovative structuring to support financing, liability protection, and devel...

David Sheldon’s strong background in computer science and technical experience in software engineering help him assist his clients with patent drafting, prosecution, and counseling for software-related inventions. David's experience includes drafting patents for various complex technologies, including machine learning/artificial intelligence, autonomous vehicle control systems, bioinformatics, and medical devices. David frequently helps his clients navigate the complicated issues surrou...

Thomas Buford III is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Thomas, who practices law in Seattle, Washington, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas is held by other top lawyers in the same geographic and legal practice area.

Mike Reynvaan has 30 years of experience in the firm's Labor & Employment group. Mike has negotiated over 100 collective bargaining agreements, handled numerous grievance arbitrations and strikes, and has represented employers in connection with such issues from small owner-operated businesses, to some of the largest corporations in America. He routinely represents employers in litigation, class action and mediation, and regularly counsels clients in high exposure situations involving sen...

Professional Experience Scott’s practice is focused on helping clients make fully-informed decisions regarding the purchase, development and remediation of contaminated property. He advises clients about the risks they may face as past, present, or future owners or operators of such property, guides them through the complexities of cleanup laws and regulations, and makes sure that parties responsible for the contamination assume their fair share of liability. Scott also assists clients ...

Brent R. Eller is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Brent R., who practices law in Seattle, Washington, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brent R. is held by other top lawyers in the same geographic and legal practice area.

Jennifer Payseno is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Jennifer, who practices law in Seattle, Washington, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer is held by other top lawyers in the same geographic and legal practice area.

Gregg Barton, a partner in the firm’s Business practice, has 25 years of experience focusing on state and local taxes principally in Washington (including Seattle, Bellevue and Tacoma matters), Oregon and Alaska. His experience includes advising clients with respect to gross receipt, sales and use, net income, ad valorem , real estate excise and public utility taxes, seeking private rulings, handling administrative appeals and litigating in state courts.

George C. Rondeau, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law, Trade Secrets Law and Trademark Law. George C., who practices law in Seattle, Washington, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which George C. is held by other top lawyers in the same geographic and legal practice area.