Contact Us

Our chapter office is pleased to handle your inquiries or listen to your concerns. You can contact us about any topic related to ISA Certification, membership, or PNW-ISA programs.

Chapter Mailing Address

PO Box 811, Silverton, OR 97381

General Questions, Membership and Registration

Dana Hatley
Administrative Assistant

  • Email:
  • Local: (503) 874-8263
  • Toll Free: (800) 335-4391
  • Fax: (503) 874-1509

Strategic Direction and Operations

Patty Williams
Executive Director

  • Email:
  • Phone: (503) 312-0245

Continuing Education Units (CEU) Applications

Please complete this CEU approval form and return to Dana Hatley at

Continuing Education Programs

Melissa Amrhein
Continuing Education Program Manager

  • Email:
  • Phone: (206) 617-8052

Tree Climbing Competitions

Lyle Feilmeier
Tree Climbing Competition Chapter Liaison

  • Phone: 503-519-9001
  • Email:

Damien Carre
Portland Area Competitions

  • Email:
  • Phone: 503-929-9437

Justina Kraus

  • Email:
  • Phone: 425-353-5434


Dash Buck
Technology Support

  • Email:

Contact the Board

To get in touch with a specific board member, please visit our Staff & Board listing.