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Board Members

The King County Noxious Weed Control Board consists of five volunteers, each representing a particular area of the county, and a non-voting advisory representative from WSU Extension. Board members are appointed by King County Council to carry out the mandates of the Washington Noxious Weed Control Law, Chapter 17.10 RCW. They all reside in King County and share an interest in and knowledge about agriculture and/or the natural resources of the county.

  • About the Noxious Weed Control Board
  • District 1: Scott Moore
  • District 2: Becky Chaney
  • District 3: John Browne
  • District 4: Grace Stiller
  • District 5: Eldon Murray
  • WSU Extension: Jennifer Andreas

Staff Members

The decisions of the Weed Board are carried out by the staff of the King County Noxious Weed Control Program under the direction of the program manager. Contact information for all program staff is available in the Staff Directory.

  • Steven J. Burke, Program Manager
  • Roy Brunskill, County Lands Specialist
  • Trish MacLaren, State Lands Specialist
  • Ben Peterson, Aquatic Lands Specialist
  • Denise Liguori, Administrative Coordinator
  • Sasha Shaw, Education and Outreach Lead
    • Nate Dolton-Thornton, Assistant Education Specialist and Multilingual Outreach Lead
  • Regional Noxious Weed Specialists (see map below for region boundaries)
    • Matt Below, Region 7
    • Mattia Boscolo, Region 2
    • Mary Fee, Region 5
    • Ashley Gould, Region 6
    • Karen Peterson, Region 1
    • Dan Sorensen, Region 8
    • Patrick Sowers, Region 3 and Database Lead
    • Maria Winkler, Region 4 and Garlic Mustard Lead
  • Riparian Projects Team
    • Justin Brooks, Snoqualmie River Noxious Weed Specialist
    • Sayward Glise, Cedar River Noxious Weed Specialist
    • Erin Haley, Green-Duwamish River Noxious Weed Specialist
    • Randy Ladowski, Skykomish River Noxious Weed Specialist

Noxious Weed Program Staff Areas of Responsibility

Map of all program staff regions (noxious weed program region map in pdf format)

King County Noxious Weed Program Region Map for Seasonal Noxious Weed Specialists

Maps of specific noxious weed specialist regions

The regional noxious weed specialists each cover a particular area of King County and take on special projects as needed. These staff members have daily contact with landowners, providing information and technical assistance in plant identification and control options. Click on the region number to download a map showing the approximate region boundaries (note: these regions have been adjusted, contact us with questions about specific locations).

Weed specialist Region
Karen Peterson  Region 1
Mattia Boscolo  Region 2
Patrick Sowers  Region 3
Maria Winkler  Region 4
Mary Fee  Region 5
Ashley Gould  Region 6
Matt Below  Region 7
Dan Sorensen  Region 8

Learn about what we do and get answers to frequently asked questions.

Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact staff, see the Noxious Weed Control Program Directory, send an email, or call 206-477-WEED (206-477-9333).


Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact staff, see the Noxious Weed Control Program Directory,
send an email,
or call 206-477-WEED (206-477-9333).