25.9.12
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BG
Blair Glenn
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
15 September 1990
Issue Date
Expiration Date
Certification Number
30 June 2026
Caitlyn Pollihan CEO & Executive Director
Blair Glenn
#0847 ISA Certified Arborist
WE-0654A
ISA Certified Arborist ®
ISA Certified Arborist ®
September 15, 1990
International Society of Arboriculture
