25.12.4
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
RH
Ryan Heroux
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
14 April 2025
Issue Date
Expiration Date
Certification Number
30 June 2028
Caitlyn Pollihan CEO & Executive Director
Ryan Heroux
#0847 ISA Certified Arborist
PN-10332A
ISA Certified Arborist ®
ISA Certified Arborist ®
April 14, 2025
International Society of Arboriculture
