25.9.12
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MH
Matthew Harrington
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 December 2020
Issue Date
Expiration Date
Certification Number
31 December 2026
Caitlyn Pollihan CEO & Executive Director
Matthew Harrington
#0847 ISA Certified Arborist
FL-9684A
ISA Certified Arborist ®
ISA Certified Arborist ®
December 1, 2020
International Society of Arboriculture
