25.9.2
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Suggested Credentials
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WE
William Edward Kirby
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
21 February 2025
Issue Date
Expiration Date
Certification Number
30 June 2028
Caitlyn Pollihan CEO & Executive Director
William Edward Kirby
#0847 ISA Certified Arborist
OH-7261A
ISA Certified Arborist ®
ISA Certified Arborist ®
February 21, 2025
International Society of Arboriculture
