Comments, questions and feedback about the AGO website should be directed to Bill Valentine

AGO offices in New York City are currently CLOSED and will remain closed in compliance with the New York State Governor’s mandate to cease non-essential business operations due to the coronavirus pandemic. All AGO staff are working remotely and will respond to e-mail and telephone calls in a timely manner. 

The AGO National Headquarters is in New York City where a full-time staff supports and coordinates publication, administration, and development activities of the organization. Our address is:

American Guild of Organists
475 Riverside Drive, Suite 1260
New York, NY 10115
Telephone: 212-870-2310
Fax: 212-870-2163

Normal office hours are 9:00 AM to 5:00 PM Eastern Time, Monday through Friday. We are closed on federal holidays.

Executive Director

James E. Thomashower, CAE
212-870-2311, ext. 4300
James E. Thomashower


Executive Assistant

Eric Birk, MM, FAGO
212-870-2311, ext. 4304
Eric Birk

Director of  Member Engagement and Chapter Development

Elizabeth George, CMM
212-870-2310, ext. 4307
Elizabeth George


Director of Development and Communications


F. Anthony Thurman, DMA
212-870-2311, ext. 4308

F. Anthony Thurman

Chief Technology Officer

Joshua S Freeman chief technology officer
Joshua S. Freeman, MFA
212-870-2311 x4301
Joshua S. Freeman

Director of Information Technology and Digital Communications

Bill Valentine, BA
Bill Valentine


Manager of Competitions and Educational Resources

Harold Calhoun, MA
212-870-2311, ext. 4318
Harold Calhoun

Manager of Membership and Chapter Relations

Leah Semiken, MS
212-870-2311, ext. 7512
Leah Semiken


Membership  Assistant

Molly Davey
Molly Davey


Financial Manager

Abigail Loyal
212-870-2311, ext. 4302


Accounting Assistant

Erik Eickhoff
212-870-2311, ext. 4305
Erik Eickhoff

Editor, The American Organist


Todd Sisley, MM
212-870-2311, ext. 4306
Todd Sisley

Advertising Manager


Maury A. Castro, MSM, CAGO
212.870.2311 ext. 4599
Maury Castro

Professional Certification Program Administrator

Paul Wolfe, MSM
212-870-2311, ext. 4303
Paul Wolfe