Contact Information


The International Tree Climbing Championship Committees and the World Championship are managed by the International Society of Arboriculture (ISA). If you have any questions, please feel free to contact our office by email at [email protected] or by phone at +1 678 367 0981. We look forward to the opportunity to help answer your questions.

For more information on the ISA visit our website.

Address

International Society of Arboriculture
270 Peachtree Street, NW
Suite 1900
Atlanta, Georgia 30303
United States
 

Hours of business

The ISA office is open from 8a.m. to 5 p.m. Monday through Friday. The headquarters is located in Atlanta, GA, United States and is in the Eastern Time Zone.

©International Society of Arboriculture 2009-2025
270 Peachtree Street NW, Suite 1900, Atlanta, Georgia 30303 • +1.678.367.0981

Email comments and questions to ISA
Wednesday, October 8, 2025 7:20:39 AM (EST/ISA Headquarters Time)
Please click here to view our privacy policy.