25.10.20
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CD
Christopher Drewry
2 Credentials
1 Issuer
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
27 January 2021
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Christopher Drewry
WE-12622AU
ISA Certified Arborist Utility Specialist®
ISA Certified Arborist Utility Specialist®
January 27, 2021
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
15 June 2019
Issue Date
Expiration Date
Certification Number
30 June 2025
Caitlyn Pollihan CEO & Executive Director
Christopher Drewry
#0847 ISA Certified Arborist
WE-12622A
ISA Certified Arborist ®
ISA Certified Arborist ®
June 15, 2019
International Society of Arboriculture
