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Suggested Credentials
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AJ
Alec Johnston
3 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
18 April 2021
Issue Date
Expiration Date
18 April 2026
Caitlyn Pollihan CEO & Executive Director
Alec Johnston
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
April 18, 2021
International Society of Arboriculture
The International Society of Arboriculture
Hereby Announces That
Has Earned the Credential
ISA Certified Arborist Utility Specialist®
By successfully meeting ISA Certified Arborist Utility Specialist certification requirements through demonstrated attainment of relevant competencies as supported by the ISA Credentialing Council
21 February 2020
Issue Date
Expiration Date
Certification Number
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Alec Johnston
IN-3591AU
ISA Certified Arborist Utility Specialist®
ISA Certified Arborist Utility Specialist®
February 21, 2020
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
6 December 2019
Issue Date
Expiration Date
Certification Number
31 December 2025
Caitlyn Pollihan CEO & Executive Director
Alec Johnston
#0847 ISA Certified Arborist
IN-3591AU
ISA Certified Arborist ®
ISA Certified Arborist ®
December 6, 2019
International Society of Arboriculture
