25.10.20
This website uses cookies to ensure you get the best experience on our website.
Learn more
Got it!
Skip to main content
Suggested Credentials
Sign in
ED
Ethan Donahue
1 Credential
1 Issuer
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Certified Arborist ®
By successfully meeting ISA Certified Arborist certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
1 April 2023
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
Ethan Donahue
#0847 ISA Certified Arborist
NY-6713A
ISA Certified Arborist ®
ISA Certified Arborist ®
April 1, 2023
International Society of Arboriculture
