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By Mail

Anthroposophical Society in America

1923 Geddes Avenue, Ann Arbor, MI 48104-1797

John Bloom

General Secretary and President,


Tess Parker, Director of Programs

By Phone

Call us at (734) 662-9355; the office is open Monday – Friday: 9am - 5pm EST

Leadership Team

Deb Abrahams-Dematte
Director of Development ext. 219

Katherine Thivierge
Director of Operations ext. 216

Tess Parker
Director of Programs, ext. 220

General inquiries
Reception ext. 210

Linda Leonard

Bookkeeping ext. 215

Cynthia Chelius

Administrative Assistant and Manager of the Rudolf Steiner House – ext. 214

Kathy Serafin

Administrator, Anthroposophical Prison Outreach
ext. 238


John Beck
Director of Communication
Editor, being human
Telephone: (718) 644-7913

Postal mail:
Anthroposophical Society in America
1923 Geddes Avenue
Ann Arbor, MI 48104-1797

being human magazine online:

Our sister website:

Rudolf Steiner Library of the Rudolf Steiner Cultural Foundation


Telephone: 518-944-7007



Postal mail:

Rudolf Steiner Library
351 Fairview Avenue, Suite 610
Hudson, NY 12534-1259