Aaron C. Johnson

Stephen M. Rummage is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law, Appellate Practice, Bet-the-Company Litigation, Commercial Litigation and Litigation - Intellectual Property. Stephen M., who practices law in Seattle, Washington, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen M. is held by other top lawyers in the same geographic and legal practice area.

John F. Pierce is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Environmental Law. John F., who practices law in Seattle, Washington, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John F. is held by other top lawyers in the same geographic and legal practice area.

John Gagliardi is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. John, 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 John is held by other top lawyers in the same geographic and legal practice area.

David O. Cantu is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Finance Law and Real Estate Law. David O., 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 David O. is held by other top lawyers in the same geographic and legal practice area.

BACKGROUND Kevin Costanza's practice focuses on mechanical patent prosecution, trademark clearance, and registration, and intellectual property licensing. He received a B.S. in Engineering from the University of California at Irvine in 1990, concentrating on mechanical engineering and material sciences. Kevin received his J.D. ( cum laude ) from Seattle University School of Law in 1995. EXPERIENCE Kevin provides clients from a wide range of engineering technologies, consumer products, and ser...

Kellie A. Tabor is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Kellie A., who practices law in Seattle, Washington, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kellie A. is held by other top lawyers in the same geographic and legal practice area.

Nicole MacKenzie is a Member in Williams Kastner’s Seattle office and serves on the firm’s board of directors. Her practice focuses on product liability and mass torts. Ms. MacKenzie manages several accounts, serves as local trial counsel for multiple clients and is a lead member of the National Coordinating Counsel team for several clients. She served as Vice Chair/Chair of the firm’s Products Liability and Mass Torts group from July 2015 through December 2020. Ms. MacKenzi...

David J. Ubaldi is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. David J., who practices law in Bellevue, Washington, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David J. is held by other top lawyers in the same geographic and legal practice area.

Christopher T. Varas is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law, Copyright Law and Trademark Law. Christopher T., 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 Christopher T. is held by other top lawyers in the same geographic and legal practice area.

Karen McGaffey's practice involves the full range of environmental issues. She assists clients with project development, permitting, compliance and regulatory matters under state and federal environmental and land use laws, including the National and State Environmental Policy Acts (NEPA/SEPA), the Clean Water Act (CWA), the Clean Air Act (CAA), and the Endangered Species Act (ESA). She represents clients in environmental litigation, including CERCLA and MTCA cost recovery actions, natural re...