Contact Us

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Contact Us

Our Locations

MAILING: Be sure to use the correct address for the campus you are mailing to!

EarthRise Transformative Learning Center
101 San Antonio Rd.,
Petaluma, CA 94952 USA

IONS' Research and Educational Offices
625 2nd St., Suite 200
Petaluma, CA 94952-5120

Key Contacts

General Information:
Fax: 707.781.7420

EarthRise Transformative Learning Center:
Fax: 707.283.0337

International callers: 707-779-8200

Media Inquiries:


Online Stores:

Volunteering Info:


Other contacts


EarthRise Transformative Learning Center

EarthRise Transformative Learning Center is located approximately 26 miles north of San Francisco at the border of beautiful Marin and Sonoma Counties, just off of Highway 101 and 10 minutes from downtown Petaluma.

Wharf Campus

IONS' Research and Educational Offices are at Foundry Wharf on the Petaluma river in downtown Petaluma.