25.14.6
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Suggested Credentials
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BA
Brian Arnold
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
5 November 1999
Issue Date
Expiration Date
Certification Number
31 December 2026
Caitlyn Pollihan CEO & Executive Director
Brian Arnold
#0847 ISA Certified Arborist
SO-1892A
ISA Certified Arborist ®
ISA Certified Arborist ®
November 5, 1999
International Society of Arboriculture
