25.14.29
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ED
Eric Duncan
3 Credentials
1 Issuer
The International Society of Arboriculture
Hereby Announces That
Eric Duncan
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
Caitlyn Pollihan CEO & Executive Director
30 June 2026
2 March 2024
GO-0067AU
Expiration Date
Certification Number
Issue Date
ISA Certified Arborist Utility Specialist®
ISA Certified Arborist Utility Specialist®
March 2, 2024
International Society of Arboriculture
The International Society of Arboriculture
Hereby Announces That
Eric Duncan
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
Caitlyn Pollihan CEO & Executive Director
28 July 2028
28 July 2023
Expiration Date
Issue Date
ISA Tree Risk Assessment Qualification®
ISA Tree Risk Assessment Qualification®
July 28, 2023
International Society of Arboriculture
The International Society of Arboriculture
Hereby Announces That
Eric Duncan
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
Caitlyn Pollihan CEO & Executive Director
30 June 2026
13 June 2023
GO-0067A
Expiration Date
Certification Number
Issue Date
#0847 ISA Certified Arborist
ISA Certified Arborist ®
ISA Certified Arborist ®
June 13, 2023
International Society of Arboriculture
