tilth logo header

IGT_2020_Mary-AndréeArdouin-Guerrier

November 13, 2020

Mary-Andrée Ardouin-Guerrier stands in front of plant fronds

Mary-Andrée Ardouin-Guerrier stands in front of blossoms, olives, citrus and ferns

Contact Information

Oregon Tilth Main Office
PO Box 368
Corvallis, OR 97339
Phone: (503) 378-0690
Toll Free: (877) 378-0690
Email: organic@tilth.org

Recent News

September 19, 2023 | News

Oregon Tilth Joins Paul Quinn’s Corporate Work Program Where Ambitious Beliefs in Food, Organic Agriculture, and Education Converge

read news
May 22, 2023 | Policies

Global Organic Textile Standard (GOTS) Version 7.0 Officially Released

read news
April 11, 2023 | News

Oregon Tilth Submits Spring 2023 NOSB Meeting Comments

read news
Join Us / Careers

SEE YOURSELF AS PART OF
TEAM #TILTHNATION?

We’re looking for people who share our ambition, innovation and enthusiasm. Our team consists of people with an endless passion for the all of the small things that make up our mission. Join us.

Learn More