Contact Us

Offices for both the Washington State Chapter (previously the "Cascade" Chapter) and the Northwest Regional staff are at:

  • 180 Nickerson St, Suite 202, Seattle, WA 98109
  • Phone: 206-378-0114
  • Fax: 206-378-0034

Washington State Chapter:

Email: Send a message to this address if you have questions or comments about this website.


  • Megan Jenny, Conservation Program Manager, 206-378-0114, Ext. 301

  • Morgan Ahouse, Development Associate, 206-378-0114, Ext. 300

To learn how to make changes to your membership information, click Here.

To contact committee leaders, please see visit these pages: Support Committees, Issue Committees, Outings Committee.

To contact local groups, please visit our Groups pages.

The Cascade Crest newsletter published and mailed quarterly and is available online. It also contains a printer-friendly summary of Washington State Chapter contact information.


Northwest Regional staff:

Phone: 206-378-0114

Ext.   Name, Position

307   Bill Arthur, Deputy Regional Campaign Manager - Beyond Coal

309   Ben Avery, Associate Director, Chapter Fundraising                         

319   Seth Ballhorn, Associate Organizing Representative, Beyond Coal

302   Josh Brandon, Military Organizer, Sierra Club Outdoors

308   Robin Everett, Field Organizer, Beyond Coal

315   Marc Heileson, Senior Organizing Manager

304   Doug Howell, Senior Campaign Representative, Sierra Club

321   Meg Matthews, Communications Associate, Beyond Coal

316   Brent Parrish, Associate Advancement Director – NW

305   Kathleen Ridihalgh, Senior Organizing Manager

311   Dan Ritzman, Regional Director, Our Wild America Campaign

328   Graham Taylor, Associate Organizing Representative, Our Wild America