Please use the following to contact the Grof Foundation:
E-mail address: contact (at) groffoundation (dot) org

The Grof Foundation (formerly AHBI) is a 501(c)(3) not-for-profit.
Our US federal tax ID is 77-0365212

Mailing Address for general information and donations:

Stanislav and Christina Grof Foundation/AHBI
P.O Box 400267
Cambridge, MA
02140 USA

Office Phone: (617) 674-2474
Office FAX: (617) 674-2474