25.13.6
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CJ
Charles John Gorton
3 Credentials
2 Issuers
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
2 February 2023
Issue Date
Expiration Date
2 February 2028
Caitlyn Pollihan CEO & Executive Director
Charles John Gorton
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
February 2, 2023
International Society of Arboriculture
Emergency Medical Technician
December 13, 2022
Sierra Sacramento Valley
Unverified
Unverified credential.
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Expired
Expired credential.
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
28 November 2022
Issue Date
Expiration Date
Certification Number
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Charles John Gorton
#0847 ISA Certified Arborist
WE-14358A
ISA Certified Arborist ®
ISA Certified Arborist ®
November 28, 2022
International Society of Arboriculture
