25.12.4
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Suggested Credentials
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AG
Alexander Grubbs
2 Credentials
1 Issuer
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Tree Risk Assessment Qualification®
By successfully meeting ISA Tree Risk Assessment Qualification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
17 November 2022
Issue Date
Expiration Date
17 November 2027
Caitlyn Pollihan CEO & Executive Director
Alexander Grubbs
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
November 17, 2022
International Society of Arboriculture
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
17 September 2021
Issue Date
Expiration Date
Certification Number
31 December 2027
Caitlyn Pollihan CEO & Executive Director
Alexander Grubbs
#0847 ISA Certified Arborist
NY-6579A
ISA Certified Arborist ®
ISA Certified Arborist ®
September 17, 2021
International Society of Arboriculture
